A National Gallery restoration that repudiates earlier National Gallery restorations
When major museums acquire major pictures, they invariably take additional technical and artistic possession of them through restorations. By transforming pictures’ appearances, museum staffs lay claim to an exclusive up-to-the-minute knowledge of a picture’s material and artistic traits that renders all earlier studies obsolete and activates use of the possessive “our” – as in “our Duccio” or “our Artemisia Gentileschi”. For much-criticised museums like the National Gallery and the Metropolitan Museum of Art, New York, the introduction of a well-preserved picture within a collection risks spotlighting in-house restoration damage – as might well have happened, for example, had the Met exhibited its newly acquired, fabulously well-preserved Velazquez portrait Juan de Pareja and its Perino del Vaga The Holy Family with the Infant St John the Baptist before restoring them. Today, the National Gallery seeks to counter long-standing criticisms by allowing its restorers to present their own interventions and purposes through broadcast social media. In a press release of 2 August 2019, the gallery’s Director of Collections and Research, Caroline Campbell, said of a restored panel painting:
“The National Gallery is one of just a handful of institutions across the world that is able to carry out painting conservation of this complexity. As this work has been carried out behind closed doors, this display is an opportunity to share this expertise with the public and also to celebrate our conservation skills, in a similar way to how we shared the conservation of our Artemisia Gentileschi self-portrait via a series of films.”
Such hubristic public relations manoeuvres are risky. As Michel Favre-Felix, painter and President of ARIPA (Association Internationale pour le Respect de l’Intégrité du Patrimoine Artistique), demonstrates below, restoration errors are still to be encountered among the nation’s pictures and the restorers’ own explanations leave conspicuously unaddressed questions. [M.D.]
Above, Fig. 1: Left, the National Gallery’s Artemisia Gentileschi Self-portrait as Saint Catherine of Alexandria, as presented by the Paris-based auctioneer Christophe Joron-Derem for the 19 December 2017 auction; right, as subsequently restored by the National Gallery.
Michel Favre-Felix writes:
Artemisia Gentileschi’s Self-portrait as Saint Catherine of Alexandria, which was acquired two years ago for £3.6 million (a record for the artist), has already become a new iconic painting of the National Gallery. To the appeal of a self-portrait by the most celebrated female painter of the 17th century, the picture (above, Fig. 1) adds a telling symbolic aura. Commentators have not failed to underline that this martyred saint Catherine, holding the instrument of her ordeal – the miraculously broken spiked wheel – persevering in her faith in the midst of persecution and rewarded with eternal salvation, mirrors the shattering life-story of Artemisia herself, young victim of a rape, maintaining her testimony under torture and finally triumphing in her female artist career. This emblematic portrait is the central feature in the present major exhibition of her work – the first ever in UK – “Artemisia”, National Gallery, London WC2, until 24 January 2021.
Just two weeks after announcing the purchase, in July 2018, the National Gallery began posting on YouTube the first of what became a long series of videos of the restoration in progress (see the list at the end of this article). No fewer than four of them deal with the picture’s cleaning – the need for it (which will be discussed below); the expected effects; its progress and its results.
Such a pedagogic/celebratory (to re-use Caroline Campbell’s expression) public programme is unprecedented. Hitherto, if the Gallery decided to communicate an account of one of its restorations it usually appeared in its scholarly Technical Bulletin, with a strong emphasis on the scientific analysis of the picture’s material structure and a minimal part, if any, given to the hands-on cleaning process itself. The set of YouTube videos exactly reverses that relationship.
As in political discourses, vocabulary plays a key role and carries far-reaching meanings. Old traditional terms might surface, as when the curator, Letizia Treves, observes rather innocently that ‘the picture is quite dirty’, expressing her expectations from its forthcoming cleaning (in Who was… 4:18). ‘Dirty’ is the customary loaded codeword used to justify a total varnish removal. It leaves no room for investigations or nuances: ‘dirt’ cannot reasonably be even partially kept on a painting; it must be entirely wiped out. (See Fig. 1, above, left, for the pre-restoration condition.)
Larry Keith’s expressions are purposefully different. He not only restrains himself from using the loaded and derogatory, non-scientific term ‘dirt’ to describe what is in reality a coat of old varnishes, but he takes care to amend the ambiguous twin-word of ‘cleaning’, by changing its sense, at the start of his talk (in Cleaning… 0:25): ‘Cleaning meaning the… [short pause] …reduction of the old discoloured degraded varnishes’ (“reduction” being the operative word). This singular short pause in his otherwise fluent and dynamic speech is eloquent.
A closer look shows that this change of definition has matured over several years. The cleaning of the Virgin of the Rocks, in 2009/2010, was already presented as a ‘reduction’ [Endnote 1], although this peculiar aspect went rather unnoticed at the time [2]. Earlier, when commenting on the restoration of Guido Reni’s The Adoration of the Shepherds in 2007, Larry Keith mentioned that to clean might be ‘to remove or reduce the old discoloured varnishes’ [3]. If cleaning now means a reduction rather than an elimination, this new position has generated a number of unaddressed questions.
1) First, what does this policy change reveal about the systematic total cleanings made in the past? What happened to the previous certainties on which the gallery’s conservation policy was grounded and which had served to authorise its restorations? Since the post-Second World War ‘Great Picture Cleaning Controversy’, the gallery’s conservation department maintained, against its national and international critics, that a complete removal of varnish was the only way to establish the true, objective, unfalsified state of a painting, and to recover as closely as possible its original appearance as created by the artist. This was not held to be one option among others. It was the inescapable and inevitable conclusion of methodical reasoning itself. The leading proponent of this policy, the de facto chief restorer, Helmut Ruhemann, went so far as to list nine ‘main Arguments against Part Cleaning’ in a crucial chapter of his 1968 book The Cleaning of Paintings (pp. 214-217), which had set the Gallery’s official institutional methodology for more than half a century – and still exerts an influence.
Part-cleaning was not only ruled out in theory but was held to be both unfeasible and deceiving in practice. Ruhemann’s strongest and most persuasive arguments were technical ones. Using the authority of the practitioner, he asserted that a reduction of the varnishes regularly produces an uneven result leaving disruptive and disfiguring ‘patches’ scattered all over the paint. He claimed that a half-way cleaning was arbitrary and inevitably imprecise, the restorer being ‘condemned to groping in the dark’. He stressed that, if there was some old varnish left, it would be impossible to suppress all the faulty and distorting old retouching that might lie underneath. Moreover, he added that the new retouches would never correctly match the still imperfectly cleaned paint.
This argumentation, unchallenged for decades, happens to have been refuted by Larry Keith’s recent practical demonstration. Although Keith used traditional means (no revolution in tools or solvents or monitoring is used in the Gallery) his ‘reduction’ did not generate the Ruhemann-predicted failures: it neither failed to suppress the old retouches nor to avoid uneven ‘patches’ – nor even failed to achieve perfectly matching indiscernible new retouches.
2) What is the reason for adopting partial cleaning today? On the one hand, in hindsight, we can see that the previous policy of total cleaning was based on spurious arguments but, on the other, it is striking that no revised or new justification is provided in support of the present policy.
Why is it now considered to be appropriate, required – or even essential – to keep a part of the old so-called ‘degraded and discoloured’ varnishes on this painting? Is it to serve as a guarantee for the safety of the paint and possible original glazes underneath when subjected to the cleaning with solvents? Does this last layer of old varnish bear a meaningful aesthetic and/or historic value that ought to be preserved? Does the remnant of the surface coating constitute part of the artistic authenticity of the work of art? Keith provides no indication at all. A full range of arguments in favour of part-way cleaning have been put forward elsewhere since the 1950s by connoisseurs, critics and art historians but Keith refers to none.
In reality these questions concern a majority of works because this portrait is not at all an exceptional case. It was, at the time of its acquisition, in a ‘standard’ condition that is common to so many paintings from past centuries that have been subjected to restorations: from the Gallery’s report it turns out that its surface bore the usual old retouching, and its canvas, already relined as was customary in the past, had since suffered a small tear and will be relined anew.
Acknowledging the ‘reduction’ of the varnishes as the best possible care for this painting implies/concedes that it should have been similarly prescribed and applied successfully to so many comparable paintings, affected by the same usual damages, but which were radically cleaned at the National Gallery.
3) Larry Keith never explains in his videos why he chooses to thin rather than to remove the coat of ‘degraded’ varnish, as was the rule before. He simply strives to show why the old varnish needed a treatment and to demonstrate that he achieved ‘key improvements’ on the test areas where it has been reduced.
About the state of the varnish he draws a distinction, not without reason, between two effects: ‘these old varnishes when they degrade, they turn yellow and they turn foggy…’
That is true in a general way, but it is precisely from there that reflections should begin, because while the first is the natural, predictable, regular evolution of traditional materials, the latter is an unfortunate degradation that preventive care could avoid.
Above, Fig. 2: Screen capture from the video “Cleaning…” – See the full linked-list of videos below.
On this first issue, that of yellowing, the explanations are especially puzzling:
[in Cleaning… 1:27] “You see that where the varnishes have been reduced, the overall tonalities of the picture are much less yellow. The fingers [on the left] are emerging rather pink, instead of this kind of yellow colour [on the right] and I am sure that will become more evident as we move across the picture…”
These comments are puzzling because they hardly fit with what is shown. The old varnish did not turn the skin tonalities markedly and disturbingly yellow (compare the back of the hand on the right with the old varnish on, to the ‘reduced’ one on the fingers on the left at Fig. 2 above), and it is indeed anything but ‘evident’ that it distorted the perception of the colours. It may be recalled that in December 2017, during the presentation of the painting before its auction in Paris, the expert Eric Turquin praised the ‘subtle pinks’ – in his own words – he had no trouble distinguishing in the flesh tones of the portrait with the old varnish on [4].
Above, Fig. 3: Photograph (detail) from the Hyperallergic site, 12 July 2018, showing the “Artemisia” exhibition curator, Letizia Treves, facing the self-portrait before cleaning began. Although top lighting caused a pale reflection on the canvas, lightening the dark tones, it can be seen here that Artemisia’s flesh tones are not so much yellowish as close in their pinkness to the curator’s own natural colouring.
Above, Fig. 4: The restorer Larry Keith, examining the painting before cleaning began, as shown on BBC News 6 July 2018.
The above photos published in July 2018, at the very start of the intervention, in which spectators are present confirm that the variety of colours in the painting was clearly perceptible: the shades of pink of the face, the cream tone of the headscarf, the Naples yellow of the palm leaf or the ochre of the wood read easily and naturally. One can observe that there was no oppressing monochrome veil distorting the shades of the portrait, which were quite close to the natural skin tones of the viewers, as the photographs testify (Figs. 3 and 4).
Surprisingly, if not tendentiously, Keith even evokes an ‘accumulation of varnishes’, which he ventures would result from ‘many restorations that have probably occurred’ in the past (in Cleaning… 4:35). ‘Many’ is merely hypothetical since the history of this painting is totally unknown between the years of its creation, circa 1615-1617, and the 1940s when it resurfaced, only to be quietly kept in a French family (Pes, J. 2018).
Looking at the photographs of the initial state, it is difficult to deduce a superimposition of many added layers. Fortunately, this will be checked since Keith has announced that ‘minuscule samples [will] help us understand the layers structure of the accumulation of varnishes’ (in Cleaning… 4:35). Fine. It will be of great interest for the public and the experts that the result of this investigation by the laboratory be disclosed: how many layers of old varnishes? To what total thickness? Until these results are established and cited the idea of an ‘accumulation’ of layers of varnish will remain a puzzling assumption.
4) Beside the issue of yellowing – that he admitted not to be ‘evident’ – Keith places a greater emphasize on the second, undisputable, aspect of the picture condition, that of the varnish getting foggy. This loss of its transparency is, by contrast, plainly documented.
Even during the presentation at the 2017 auction in Paris, while the subtlety of the colours was praised, the ‘dullness of the varnish’ was nonetheless underlined and attributed to the fact that the painting had remained in the same family for several generations.
The video illustrates the consequences of this phenomenon (in Cleaning… from 1:40):
“… where [the foggy varnishes] are over the darker tones, the darker tones become quite a bit lighter. You can see that here, with that sort of hazy presence. And whereas down here where I started reducing the old varnishes, you can see the darker colours are much darker and the range from light to dark is much enhanced. And I think this helps you understand how [Artemisia] has laid out the folds, and helps you understand what is in front of what.
“…I think the thing here [in the ‘reduction’ in progress] that is most significant and really very rewarding is to see now the range from light to dark, which [Artemisia] has used, and her modelling of forms, which gives this sculptural presence.”
Indeed, Artemisia’s artistic expression rests on the illusion of spatial depth and on the convincing impression of three-dimensional figures. And this pictorial achievement is only displayed when the half-tones, dark values and contrasts have their full effect, which requires a good transparency of the varnish final layer.
It is hence plainly justified to try to regain this fundamental quality. However, in the case of this painting, such faint cloudiness is a common and rather benign alteration caused by humidity (that is to say, by a lack of prevention from its keepers). Physically, this phenomenon results from the scattering of light – not exactly on the ‘varnish’s own kind of fine cracks’ as it is said rather simplistically in the video – but on a multitude of micro-fissures, much smaller than usual cracks, that have developed within the varnish film at a microscopic scale that is invisible to the naked eye.
Above, Fig. 5: Above, Fig. 5: detail of Artemisia’s arm, showing un-thinned (slightly dull) varnish on the right and thinned varnish on the left.
As can be seen on the video, the thinning of the varnish has cleared the cloudy effect and has thus enhanced saturation and contrasts [above, Fig. 5]. Yet, the cause/effect relationship is not that simple. The dissipation of the hazy opacity is the result of a specific physical process: it comes from the ‘closing’ of the micro-fissures, which is obtained through the momentary softening and swelling of the varnish film when suitable solvents are applied to it. Once the solvent has evaporated, the micro-fissures have closed and so, vanished. Since the ‘reduction’ was done with solvents, their penetration into the varnish film provoked the swelling/closing result. Thus, this was a linked side-effect and it would not have been necessary to thin the entire varnish layer for that to happen. For this kind of light haziness, a simple exposure of a varnish surface to an appropriate solvent, at much lower levels – i.e. ethanol in form of vapours – without any ‘reduction’, could have produced the same positive result (Pfister, P. 2011, Demuth, P. 2001): the saturation of colours; the in-depth setting of the figure; the sculptural modelling created by Artemisia, would all have been recovered.
Of course, when such a minimal treatment is chosen, the tonality of the varnish remains unchanged, since its thickness is undisturbed even as its transparency is regained.
Knowing this, we realize that there is confusion between the two results. In truth, a physical reduction was not essential to recover the range of values from light to dark and modelling of forms intended by the artist, which could have been achieved otherwise. Essentially, the thinning of the varnish was used principally and specifically to obtain the ‘much less yellow’ overall tone. This result is held – in Larry Keith’s account – to be such an obvious improvement as to require no further justification. Yet, it does – and we see below why it needs questioning.
5) The transparency is a basic undisputed requirement for this varnish (as for any other). But what is the justification for making it ‘much less yellow’?
When we leave aside our own era’s cultural preferences and consider the materials and varnishing practices that prevailed in the XVIIth century, we realize that the (disparaged) ‘old varnish’ found on this painting had the best chance of resembling the original finished appearance as made by Artemisia herself.
Above, Fig. 6: A section of de Mayerne’s text (Folio 151r) mentioning Artemisia Gentileschi and her varnish.
Throughout these supposedly informative and instructive videos it is striking that no reference is ever made to the kind of varnish that would have been used by the artist herself, or, even, to those that were common in her circle and time in Italy. This omission is hard to justify since relevant historical and technical references have survived and are accessible. For example, Turquet de Mayerne’s manuscript notebook (written between 1620 and 1646), which is the main historic testimony and source of information on the painting techniques of this period, contains a famous reference to an ‘amber varnish’ [5], ascribed to both Artemisia (active c. 1610-1653) and her father Orazio Gentileschi (active c. 1587 -1639) – see Fig. 6, above. De Mayerne specifies that this varnish had a strong reddish tone and was used by the instrument makers to varnish lutes [6].
It should be borne in mind that, at that time, in the absence of precise identification, the term ‘amber’ (otherwise called ‘c(h)arabe’) encompassed a group of resins that were close by their consistency, colour, workability and effect – and among which were chiefly the different semi-fossil resins that we now classify as copals, which range from semi-hard to hard and are easier to dissolve than true fossilized amber (Leonard et al. 2001, Holmes, M. 1999).
Furthermore, the expression amber varnish ‘coming from Venice, with which they varnish lutes’, added in the passage on Orazio (Folio 9v), most probably indicates a ready-made product. At that time in Italy many varnish formulations were no longer made in the artists workshops but prepared and sold by colours merchants. The painter Gian Battista Volpato quotes the ‘amber varnish’ as one of them [7]. De Mayerne states that a so-called ‘Oil of Amber from Venice’ (that is, a fat varnish made of ‘amber’ dissolved in a possibly larger proportion of oil), which he supposes to be the one used by Orazio, was sold in every Italian colour shop [8]. The main point is that these prepared varnishes formed a dry film that approached the legendary hardness of amber and had a similar golden-brassy colour. Some rosin (colophony) could be added, which was useful for improving the working properties of the mixtures (Leonard et al. 2001). Its marked orange hue would also increase the warm tonality of the whole – see Fig. 7 below.
Above, Fig. 7: Colophony (or rosin, resinous part remaining after the essential oil has been extracted from the balsam of Pinus maritima Lamb. by distillation.)
It is mentioned that Artemisia mixed her ‘amber’ varnish with oil and spread the blend as an intermediary layer upon the already dried parts of her work in progress, before continuing to paint (Folio 151r). This method, commonly called ‘oiling-out’, has three benefits for reworking: it brings back the initial saturation of the first colours that might have turned dull when drying; it enables a fluent application of the later colours; and, it promotes their physical adhesion to the ones beneath.
Concerning Orazio, de Mayerne notes that he used to add a drop of ‘amber’ varnish directly to his colours on his palette – especially to the ones of the flesh tones – in order to make them more ductile and quicker to dry (Folio 9v).
Was it also chosen as final varnish? The use of the same compound for mixing with colours, for intermediary ‘oiling-out’ and for final varnishing is indeed consistent with what is known of painters’ practices at the time. Examinations of paintings by Caravaggio (of whom Orazio was a disciple) have shown that remains of his final varnish – resin in oil – were similar to the ‘oiling-out’ layers found in his paint structure (Arciprete, B. 2004).On the same folio (151r) where de Mayern mentions Artemisia’s oiling-out method, he reports on another ‘charabe’ varnish, which can be used ‘for varnishing and for mixing on the palette with the colours’ [9].
Moreover, a discovery made by the Getty Conservation Institute in 2000 confirms that Orazio also adopted an ‘amber type’ varnish of his final coating. Found on one of his painting (Lot and his Daughters, J. Paul Getty Museum, Los Angeles) executed about 1622, this rare original varnish proved to be composed of Manilla copal and rosin, precisely (Leonard et al. 2001) [Figs. 7 and 8].
Above, Fig. 8: Manilla Copal (from Agathis dammara Lamb.)
This tangible historical/material evidence of what was an ‘amber-like’ formulation provides a precious testimony of its visual effect on the picture: it displayed a notable warm golden tone over the parts where it was still present (see Figs. 9 and 10 below). Given that Artemisia learnt to paint in her father’s studio, it is beyond doubt that Orazio would have shared both his materials and his practices with his daughter.
Above, Fig. 9: The effect of Orazio’s varnish on the sky of his Lot and his Daughters (in The Burlington Magazine’s article, Vol CXLII n°1174, p.5.)
Above, Fig. 10: Macro-photograph of the varnished sky. Note the bright blue colour of the paint that appears in some spots where the ‘amber-like’ varnish is missing (from the same Burlington Magazine article, p.9.)
In addition to those clues, there is the certainty that Artemisia’s varnish could only have been composed with resins among those of her time (the end of 16th/ first half of 17th centuries): sandarac; oleoresins balsams from the silver fir, the larch or the spruce; colophony; mastic; copals, with or without oil [10] (Figs. 7, 8, 11 and 12). Reconstructions of historical recipes with such ingredients, prepared and applied following traditional methods are converging to show that they provided a natural warm tone – a ‘golden glow’ – that moreover increased surprisingly quickly (Favre-Félix, M. 2017, Carlyle, L. 2005, CCI 1994) (Fig. 13).
Above, Fig. 11: Strasbourg turpentine (balsam – oleoresine – of the silver fir, Abies pectinata DC. – from Kremer Pigmente.)
Above, Fig. 12: Sandarac (from Tetraclinis articulata Mast.)
Above, Fig. 13:As an example, the reconstruction of an historical recipe, using one resin and one oleoresin – a type that became increasingly prevalent from the end of the 16th and throughout the 17th centuries – showed a notable increase of its natural coloration within a short time.
Thus, there lies a major contradiction of modern restoration: the profession asserts a strict adherence to the scientific study of the artists’ materials and techniques, but continues to ignore the technical characteristics of the varnishes that are known to have been used in those centuries. Further, while it aims to present paintings as close as possible to the artists’ conception it still declines to take into account how their paintings had once looked with their original final layer on, and it persists in eliminating the ‘yellow tone’ of any varnish encountered on old master paintings.
CODA:
A last video deals with the significant choice of a frame for Artemisia’s self-portrait. The Head of Framing, Peter Schade, points out that an authentic frame from the 16th century – wood-carved, painted or gilded – will always surpass any copy of it, even those that look to be perfect reproductions. He makes the following crucial remark [Choosing… 8:45]: “We always carry the baggage of modernity, of our time… And that gets always in some way transferred into reproduction frames. Usually, we don’t see it now but you can look it back at the history of frame reproductions, in the gallery as well, and [see that with] most reproduction frames, after twenty, thirty years they don’t match up to originals.”
Larry Keith had then to admit – albeit in carefully chosen words – that the same rule of unwilling, modern distortion applies to restoration:
“[9:12] …It is the same thing about how we… decisions we make about restoration itself, you know. We think we try to be… I guess what we can say now, is that we are very transparent about the decision-making process but it’s definitely an interpretation all the way down the line”.
Restoration being a contemporary “interpretation” of the work of the past, transparency is essential, and transparency implies clear explanations for the present and for the older interventions. But, strikingly, Larry Keith has not explained in any way the main justification for reducing rather than eliminating surviving varnishes. With regard to the use of retouching – e.g. in the reconstruction of the cropped top of the crown – his presentation and discussions are fair (see Reconstructing… and Retouching…) But on matters of cleaning and varnish this essay’s conspicuous technical, aesthetic and historical documentary omissions testify to an enduring institutional avoidance of transparency on the most vital artistic questions of art conservation at the National Gallery.
Above, Fig. 14: Artemisia’s Self-portrait, left, as in 2017 at auction; centre, same state but as provided by the National Gallery to the press in July 2018, before cleaning; and, right, as at the end of 2018 at the National Gallery, after cleaning and restoration.
Michel Favre-Felix, 9 October 2020.
THE NATIONAL GALLERY RESTORATION VIDEOS:
1) Starting the restoration of Artemisia Gentileschi’s ‘Self Portrait’ – Now entitled: “The art restoration plan for Artemisia Gentileschi’s ‘Self Portrait'” – as posted on the 20th of July 2018.
2) Cleaning Artemisia Gentileschi’s ‘Self Portrait’ – as posted on the 27th of July 2018.
3) ‘It’s such a 17th century thing to do’ | Cleaning Artemisia Gentileschi’s ‘Self Portrait’ – as posted on the 3rd of August 2018.
4) Who was Artemisia Gentileschi? – as posted on the 20th of August 2018.
5) Finishing the cleaning | Cleaning Artemisia’s ‘Self Portrait’ – as posted on the 30th of August 2018.
6) Repairing a 17th century canvas – as posted on the 10th of September 2018.
7) Applying the moisture treatment – as posted on the 21st of September 2018.
8) Finishing the relining – as posted on the 2nd of October 2018.
9) Reconstructing the unusual composition of Artemisia’s ‘Self Portrait’ – as posted on the 9th of October 2018.
10) Retouching a 17th century painting – as posted on the 13th of November 2018.
11) Choosing a frame – as posted on the 26th of November 2018.
12) Framing Artemisia – as posted on the 14th of December 2018.
ENDNOTES:
[1] “Indeed not all the old varnish was removed – it was simply reduced to a level which helps us to fully appreciate the painting.” (Larry Keith – Restoring Leonardo, National Gallery website.)
[2] “By removing the ugly varnish…” Jonathan Jones commenting on this cleaning in The Guardian, 13 July 2010. When reviewing the National Gallery’s restoration of its Leonardo Virgin of the Rocks, Jones expressed delight that the painting had been “freed from an amber prison”.
[3] National Gallery Podcast: Restoring Reni’s ‘Adoration of the Shepherds’, 1 :48.
[4] ARTECENTRO – Artemisia Gentileschi, Sainte Catherine d’Alexandrie, vente le 19 décembre 2017. Time 2: 47.
[5] ‘Vernix d’Ambre venant de Venise’ (Sloane MS 2052 Folio 9v).
[6] ‘Ce Vernix est fort rouge & est celuy des faiseurs de Luths’ (Sloane MS 2052 Folio 150 v).
[7] ‘quella d’ambra si compra, quella di mastice la facio io’ (Merrrifield, M.P, p. 743).
[8] ‘Chés touts les vendeurs de couleurs en Italie on vend une huile espaisse, qu’ils appellent Huile d’Ambre de Venise […] Je croy que c’est ceste huyle dont m’a parlé & se sert Gentileschij ’ (Sloane MS 2052 folio 146v).
[9] ‘Et pour vernir: & pour mesler sur la palette avec les couleurs’ (Sloane MS 2052 folio 151r).
[10] Such a choice of resins for varnishes is also noted by Van Dyck, at the same period, on a folio of a sketchbook: fir balsam, colophony, unspecified ‘vernizia’ and amber varnish (Kirby, J. 1999, p. 13).
BIBLIOGRAPHY:
Arciprete, B. (2004), ‘Il restauro’, La Flagellazione di Caravaggio, il Restauro, Electa Napoli.
Carlyle, L. (2005) ‘Representing authentic surfaces for oil paintings: experiments with 18th and 19th-century varnish recipes’, Art of the Past, Sources and Reconstructions. Proceedings of the first symposium of the Art Technological Source Research study group. Archetype Publications.
CCI (1994) Varnishes: Authenticity and Permanence Workshop, Canadian Conservation Institute, (Reviewed by Neil Cockerline).
Christiansen, K., Mann, J. W. (2001) Orazio and Artemisia Gentileschi – New York Metropolitan Museum of Art, Yale University Press, New Haven.
De Mayerne, T. Turquet, (1620) Pictoria Sculptoria & quae subalternarum artium, British Library, Sloane MS 2052. Trancription in Berger, E. (1901) Quellen für Maltechnik Während der Renaissance und Deren Folgezeit (XVI.-XVIII. Jahrhundert), München.
Demuth, P. (2001) ‘Regeneration of blanched natural resin varnishes with solvent vapour’ Hochschule für Bildende Künste – Dresden/ The ENCoRE Symposium: Recent development in conservation-restoration research 19-21 June 2001.
Eastlake, C. L., (1847) Methods and Materials of Painting, Dover Publications, New York (2001)
Favre-Félix, M. ‘On the recipe for a varnish used by El Greco’, Conservar Património 26 (2017) pp. 37-49 – ARP – Associação Profissional de Conservadores-Restauradores de Portugal http://revista.arp.org.pt/pdf/2016023.pdf
Holmes, M. (1999), ‘Amber Varnish and the Technique of the Gentileschi’, in Artemisia Gentileschi and the Authority of Art: critical reading and catalogue raisonné, R. Ward Bissel, Pennsylvania State University Press, pp. 169-182.
Kirby, J. (1999) ‘The Painter’s Trade in the Seventeenth Century: Theory and Practice’- National Gallery Technical Bulletin, Vol 20.
Leonard M., Khandekar N., Carr D.W. (2001) ‘Amber Varnish and Orazio Gentileschi’s Lot and his Daughters ’, The Burlington Magazine Vol. CXLIII, pp. 4-10
Merrifield, M. P. (1849) Medieval and Renaissance Treatises on the Arts of Painting, Dover Publications, New York (1999).
Pes, J. (2018) ‘The National Gallery’s New Artemisia Gentileschi Should Be a Triumph – But Clouds Are Forming Over Its Ownership During WWII’, December 12, 2018, News-artnet.com.
Pfister, P. (2011) ‘Régénération : l’emploi des vapeurs d’alcool et les dangers des alcools liquides’ / Kunsthaus – Zürich / Nuances 42/43, pp. 24-29.
Ruhemann, H. (1968) The Cleaning of Paintings. Problems & Potentialities. Praeger Publishers.
Sistina Progress and Tate Transgressions
The tide continues to run against supporters of the Vatican’s 1980s and 1990s restorations of Michelangelo’s Sistine Chapel frescoes, but it looks as if the National Gallery’s technical conservation division might be about to attempt a last-stand defence of the proclaimed “Gloriously Recovered Colours” that were said to have resurrected a “New Michelangelo”. An exhibition at the Gallery, Making Colour (June 18 to September 17), is to examine the stuff of pigments, in the course of which… Michelangelo is to be enthroned among the great colourists Titian, Turner and Matisse. The manoeuvre shows signs of back-firing.
The Times’ art critic Rachel Campbell-Johnston was healthily wary and alert to art world conservation politics when previewing the exhibition (“True colours: from Titian to Turner”, The Times, 31 May 2014):
“It is wilfully provocative to put a sculptor most famous for his pallid stone carvings on a list of the world’s greatest colourists. But his Sistine Chapel paintings – coming together as they do to create the single greatest pictorial scheme of the Italian High Renaissance – are among the most vibrant works of western art ever created. And after a recent and highly controversial restoration in which solvents were used to strip away half a millennium’s worth of accrued candle smoke and grime – and with it, many argue, the artist’s own shadowy subtleties – Michelangelo is being reassessed. Every book on this artist will have to be rewritten declare historians who marvel at the newly revealed drama of vivid colour. Others, however, remain not just sceptical but deeply dismayed at the irreversible damage that the cleaning has done.”
Even the restoration-friendly Art Newspaper carries seditious words on conservation and the Sistine Chapel in its current (June) issue. The spat that we reported between Bendor Grosvenor (“Art historian, dealer and broadcaster”, of the Philip Mould and Company gallery), and Martin Myrone (“Lead curator, pre-1800 British art at Tate Britain”), at last month’s Mellon Centre conference on connoisseurship and educated eyes, is re-run in the Art Newspaper under the heading: “Do we need a return to connoisseurship?” Dr Grosvenor’s latest comments on restoration and connoisseurship are, however, almost cryptically condensed. They read in full:
“I despair at seeing a picture over-cleaned through a conservator’s misunderstanding of how an artist worked, and the removal of an original glaze in the belief that it is either dirt or over-paint (the Sistine Chapel is the most depressing example of this).”
For the record, Dr Grosvenor’s Mellon Centre mea culpa of May 2nd was delivered as follows:
“And to show why I think that connoisseurship has such a valuable role to play in conservation, let me mention what is – let me end with what is probably the most single important painting in Western art history: Michelangelo’s Sistine Chapel ceiling. I recently went to Rome and saw the ceiling for the first time, and as I was standing underneath it with my binoculars, being jostled this way and that by the crowds, I am afraid I got a terrible shock. I always used to think that critics of the Sistine Chapel restoration were being slightly myopic, or a little bit obsessive, and that trained restorers surely at this level were infallible, and couldn’t possibly damage pictures. But how wrong I was! The Sistine Chapel has been subjected to the most brutal over-cleaning imaginable. I don’t mean the exposure of the bright colours which we see looking so nice here, which most people fixate on, but the actual removal, through simple abrasion with solvents and a rough sponge, of the crucial darks and shadows which gave the ceiling so much meaning and form. Though we don’t have time to go into the debate here as to whether Michelangelo worked a secco on the ceiling or purely in fresco it seems to me that the whole approach to the cleaning of the ceiling was fundamentally misunderstood. But my contention is that if the restorers had, in fact, been real trained connoisseurs of Michelangelo’s work and were not just pure technicians and had a feeling and an eye for how Michelangelo intended his pictures to work they might not have made the same mistakes. And I don’t think I can really make a greater example of why connoisseurship matters. Thank you very much.”
The now linked battles over art restoration and connoisseurship are intensifying. (We are intrigued to know what Dr Grosvenor thinks of the Philip Mould gallery’s own picture cleaning methods. We do know that even when restorers aim to remove just “varnish”, real paint often comes off in the wash – as seen at Figs. 12 and 13. Would the risks not be all the greater when restorers are removing what they take to be “re-paints” from pictures in a hunt for better work underneath?) The museum world’s phoney “Culture Wars” between a supposed but now mythic Art Establishment (look at the recent membership of the Royal Academy and its Summer Show banner “Discover the new; discover the now”) and the Tate and State-pampered, edgy, head-banging contemporary art sensationalists is masking a fundamental art world schism that shows signs of turning ugly. Dr Grosvenor’s ideologically opposite number at both the Mellon Centre conference and the Art Newspaper forum, was Dr Martin Myrone – who happens to have hit the headlines. Tate Britain is mounting an exhibition of British folk art (see “Tate Britain rejects ‘elitist’ Old Masters as Turner makes way for thatched king”, the Times, 5 June 2014). Tate’s press release declared “British Folk Art will include surprising and diverse examples of British folk art, from rustic leather toby jugs to brightly coloured ships’ figureheads. The imposing larger than life-size thatched figure of King Alfred created by master thatcher, Jesse Maycock, in 1960 is one of the exhibition’s highlights.”
News of this exhibition almost caught us off-guard: when Tate spokespeople witter about “diverse” and “surprising” things, we instinctively reach for our cultural pistols, so to speak. But for once, the artefacts clearly are of interest (see Fig. 11) and worthy of attention. The bone cockerel shown in the Times is, in its wit, force and verve of plastic articulation, the superior of the over-sized blue cockerel presently occupying the fourth plinth in Trafalgar Square – which itself is the best of a very long, very bad bunch of occupants. The straw man, likewise is, with its subtle, ominously Germaine Richier-like weight-shifting presence, more than an expressive sculptural match for, say, Sir Anthony Gormley, R. A.’s turgid “Angel of the North”. In short, we have no problem with the subject of the exhibition: quality is, as quality is found. No problem, that is, except this: the Tate is not parking this exhibition in Tate Modern’s vast halls or spinning it as an overdue and welcome blast against the enfeebled self-indulgence of today’s decayed fine art tradition. Instead, it treats this folk art as vindication of that very sector (because Tracey sews and Grayson potters) and is using it as yet another way of denigrating and humiliating odious, elitist Old Masters. (One more sign, perhaps, of the un-wisdom of permitting one man an unbroken, guaranteed-for-life, twenty-six years long reign of tenure at the Tate?)
Insofar as Dr Myrone’s dense sub-Marxian jargon in the Art Newspaper permits appraisal, it would seem that his antipathy to the notion and practice of connoisseurship is deep and visceral. As he puts it in the Art Newspaper:
“…Instead, contriving the resuscitation of connoisseurship on the basis that its worth is self-evident may be retrogressive, obscuring the stakes and investments actually brought into play as the different parties involved (academics, curators, dealers and so forth) establish their relative authority and their claims to public attention…Arguably, the only thing that now distinguishes connoisseurship as such is the element of economic and social purposefulness, its specific role as a way of talking about art and asserting aesthetic merit in terms which are readily translatable into economic value. The language of connoisseurship is simply more compliant to the needs of the market than other forms of historical discussion, which may be more open-ended and questioning, less certain about the judgement of value.
“Moreover, allowing the issues of authenticity and authorship to overshadow all the other issues and questions around historical works of art risks impoverishing our understanding and enjoyment of art’s rich histories and our ability to communicate this in genuinely open-minded, engaging and thought-provoking ways. There is nothing, I think, radical or outrageous in pointing out that connoisseurship has served to reinforce social difference and further material interests over history.There are numerous studies which testify to this. What would be absurd would be to claim that this has somehow stopped in the present age and that connoisseurship is now absolutely removed from struggles over cultural authority…”
What is so sad and alarming is that art professionals working in the most elevated art institutions should be so antipathetic to art as art. As for lucre, they are happy to pursue careers and draw salaries working among art as long as it can be made instrumental – serve some “enlightened” progressivist, consciousness-altering, society-levelling social force. This is sad because it is philistine. It fails to respond directly, unashamedly, unapologetically to art itself. It is dangerous because should such blinkered aversions gain an absolute upper hand, cultural repression would result. Dr Myrone is clearly a conscientious man with the interests of the common weal at heart. But if we were to deny contemplation of the highest, the best, and the most life-enriching art to all, we would gain nothing and simply add cultural and personal impoverishment to existing social ills.
This antipathy to connoisseurship must be defused. First, let us recognise that it really doesn’t necessarily come with snooty baggage or an eye on the financial main chance. That, at heart, it is a perfectly simple, decent and desirable matter; that it is comprised of nothing more odious than an ability to discern qualities that are of value. Second, that every art school lecturer used to recognise “the hand” of every student. We say “used to” because artistic hands are only evident when common cultural purposes are pursued through limited artistic means (as when all art students drew and drew from the same casts or figures). If scrunching paper and blinking lights count as art today then connoisseurship is already dead – and Dr Myrone can chill. He may, on the other hand, already be halfway to connoisseurship himself – in the Art Newspaper, he also writes:
“It is perfectly possible to talk about technique, authorship, authenticity and quality without recourse to the rubric of connoisseurship. Moreover, the application of skill in these various matters is part of the every day work of the art historian and curator, tending in practice to be rather modest and mundane. It is just part of the job.”
Well, which is it to be? If connoisseurship is being done routinely, albeit under a different name, what is the problem? And why should we not talk about the doing of it, on the assumption that some may be doing it better than others?
In art practice itself, every proper artist is a connoisseur, not least of his own work. Every teacher forms preferences and will see more of value in the productions of one student over another. That is connoisseurship in action. Nothing to be ashamed about. When teaching in art schools it is not unheard of to encounter a student from Eton or from the Old Kent Road. Proper professional concern for quality and talent puts the Old Etonian on a level playing field and at risk of being outclassed by the greater talent of someone from nowhere. Dr Myrone complains, as reported in the Times, “We have rested much more on the idea of a canon of great masters, a Hogarth-to-Turner story…it is a fairly narrow kind of canon. A select few artists have been elevated, but there is a whole world of making and physical production which is really exciting.” And so there is – but what humbug: narrow canons? How many working illustrators, film animators or car designers win Turner Prizes or get elected to the Royal Academy? Is everything really of equal value to the Tate? Are all avant gardists of the same merit? On what basis, then, are the Turner Prizes awarded? If someone scrubs a painting and features come away, as was the case with the group of lads holding a ladder at the top of Fig’s. 7 and 8, would it be a good and desirable thing if art historians lacked the critical visual ability to notice – or the courage to speak out? Dr Grosvenor has at last cottoned on to the menace – is Dr Myrone still not up to it? Has he not yet come across the excellent post on Grumpy Art Historian which carries this helpfuly clarifying comment:
“Why cannot the art historian emulate [the archaeologist] and treat all images simply as artefacts of a given culture? I think the answer is simple. Such pretended scientific objectivity would rapidly lead to the suicide of our subject. On a purely practical level the archaeologist is saved from the agony of selection by the relative scarcity of his evidence. We are in a very different position. Once we decided not to make any distinctions between painting ceilings or, for that matter, assembly halls, we would be so swamped with material that Michelangelo’s or Wren’s creations would be lost in an ever-swelling card index”
Michael Daley
Comments may be left at: artwatch.uk@gmail.com
Why is the European Commission instructing museums to incur more risks by lending more art?
Given the notorious risks of loaning works of art (see: An Appeal from Poland) and the high costs of insuring against those risks, why should the European Commission now be doing everything in its power to increase the practice throughout all of Europe’s museums?
In 2009 the Commission, through its “Culture Programme of the European Union” (which is funded to the tune of €400m), set up “Collections Mobility 2.0 Lending for Europe – 21st century”. This latter organisation, has itself funded international junkets – already – in Shanghai, Amsterdam, Antwerp, Budapest, Paris, Amsterdam (again) and, for this coming November, Athens. (Why Shanghai? – Is China seeking entry into the European Union?)
The ostensible prospectus for this pan-European project to “set culture in motion”, under the aegis of the 2007 “European Agenda for Culture in a globalising world”, rests on an evident conviction that an ever-greater shuffling around of the stock of art that is housed in Europe’s historical and nationally distinctive museums is a self-evident Good Communautaire Thing. While lip service is paid to “retaining the cultural diversity of the member states” it is hard to see how this might be achieved through a project which by design “contributes to European integration” and aims to bestow “a context” upon the art which is moved. When reading the promotional literature, it is hard not to see an overarching desire to homogenise European cultural life precisely by subverting the richly individual historically-forged identities of national institutions. It is hard to see how, in the real Euro-world of collapsing economies and soaring unemployment, a massive bureaucratized drive to increase inter-museum loans and their attendant risks might be considered other than whimsical and irresponsible.
As if in denial of the inherent risks, Collections Mobility 2.0 has constructed top-down national training programmes to be run in all European member states with the express purpose of encouraging more loans by the imposition of tiers of pre-cooked administrative procedure. All participants on these crash courses are required to:
“…cascade the training programme to other professionals in their own country using the training package that is being developed.”
The targets of this training package are to be:
“…professionals dealing directly with the administration of international loan of artworks as collection keepers, registrars, etc.”
The enterprise itself is dressed in pure dissembling management-speak:
“The Collections Mobility 2.0, Lending for Europe – 21st Century project organises training courses and provides a training package in order to introduce the most recent developments, best practices, concepts, standards and procedures on lending and borrowing of museum collections. ‘Getting practical’ is the aim of the project.”
Getting practical is not the same as “Getting real”. The risks to loaned works are real and the cost of insuring against them is correspondingly and appropriately high. As if to bypass this latter reality, Collections Mobility 2.0 charged a group of experts to examine over 5,000 loans made in five years under state indemnity schemes. This group duly reports that only seven claims for minor damage were made under those schemes. Taking these findings at face value and making no allowance for the under-reporting of travel injuries in the art world, Collections Mobility 2.0 seeks to increase loan traffic volumes by advising museums to insure less, to insure their works only for the specific short periods of travel at the beginning and end of a loan period, and not for the full duration of the loan.
This would greatly compound the hazards. TheArt Newspaper reports (February) that Sandy Nairne, the director of the National Portrait Gallery, has pointed out that loaned paintings get stolen from within museums and not just while on the road. He should know, having been charged when at the Tate with making the arrangements for the recovery of two of its Turners that were stolen when on loan to a museum in Germany.
Mr Nairne’s warning that “Without insurance the Tate would have had no money, nor the paintings”, cannot be gainsaid. What might be said is that by paying a ransom of over £3m to what Geoffrey Robinson, the former Paymaster General, described as “a group of particularly nasty Serbs”, the Tate established a going-rate “reward” of fifteen per cent of a work’s insurance value to obtain a recovery and avoid a full insurance pay-out. Whether such ransoms masquerade as “payments for intelligence” or not, they make art theft an increasingly tempting prospect.
For example, were the Krakow, Czartoryski Foundation’s, Leonardo da Vinci, Lady with an Ermine, to be stolen during its proposed trips to and from the National Gallery in London, it would, with its current insurance rating of €300m, afford a juicy potential haul of €30-45m to thieves. Were that Leonardo to be insured only during its times of travel, as Collections Mobility 2.0 now urges, the insurance cost might fall “considerably” – but the painting would remain a plump €30-45m target. Were it to be stolen from within the National Gallery, the owners, having acted on Collections Mobility 2.0’s advice, would receive nothing from the insurers. Similarly, if the painting were to be dropped and smashed at the National Gallery during the periods of installation or de-installation (as happened recently to a panel by Beccafumi), the Polish owners would receive nothing from the insurers. Were private insurance arrangements to be replaced by state-guarantees of indemnity, in the event of thefts, states would find themselves in “recovery” negotiations with nasty criminal groups and without the political cover afforded by commercial insurers.
There are no limits to the problems associated with Collections Mobility 2.0. Were the Lady with an Ermine to be loaned by her owners to France instead of, or in addition to Britain (and any or all venues would seem to be on the cards with this painting under its present aristocratic stewardship – in recent years she has been loaned to: Washington, 1991; Malmo, 1994; Kyoto, 2001; Nagoya, 2001; Yokohama, 2002; Milwaukee, 2002; Houston, 2003; San Francisco, 2003; Budapest, 2009) the risks of theft or injury would likely be higher still. The Daily Telegraph recently reported growing concerns that French museums are easy targets for thieves (“Lending works of art to France is a risky business”, 29 August 2010). For the past fifteen years thefts from French museums have run at three a month. In May 2010 thieves broke into the Museum of Modern Art in Paris and stole five paintings valued at £86m.
Two works loaned to France from the Victoria and Albert museum have been damaged in the past two years. An official at Apsley House, London, has said of the museum’s art “We wouldn’t lend that to the Louvre. We don’t know what state we’d get it back in.”
Whether or not one supports the European “Grand Project” to forge a United States of Europe, we should all be clearer about the implicit cultural price of ironing-out nationally distinctive institutions. It is barely over half a century since Hans Tietze, writing in the aftermath of the devastation of the Second World War, said of The Great National Galleries of Europe and the United States:
“The least part of their value lies in the millions they would fetch on the market; their real worth lies in the intellectual labour which they embody and in the spiritual pleasure stored up in them. To create these possessions the nations contended one with the other, and each land has built its own memorial in the Gallery which enshrines its history and its way of life.”
If Eurocrats are offended by these nationally expressive institutions, they should say so openly. Better yet, they might resolve to leave them in peace to speak for themselves. Since we already have the free movement of all European citizens, there is no impediment to their visiting any art – in its own already culturally rich context – anywhere on the continent. Let us cherish Europe’s unequalled and diverse cultural achievements for what they are and avoid putting them to unnecessary risks.
Michael Daley
Comments may be left at: artwatch.uk@gmail.com