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It was noted in particular that in the case of the two side strips making up the stretcher there is a perfect correspondence between the holes currently present in the canvas and the holes in the underlying stretcher.Attached please find photos of the two sides with a red arrow showing the holes in the canvas which match those in the stretcher underneath (photos no.2, no.3 and no.4).It is senseless to content oneself with the personal opinions of experts alone in this age of technology and science.The art market will become trustworthy only when the art lover becomes a connoisseur and, as envisaged by the law, demands a valid certificate.The most recent catalogue on the determination of authenticity in art, published by the same in June 2007, contains an exclusive six-page presentation of the scientific laboratory of the Museo d Arte e Scienza in which its methods for dating paintings, furniture, and objects in ivory and other materials are illustrated in detail and their validity, in effect, endorsed.

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Examination under Woods light also showed that the reactions of the signature were comparable to those of the rest of the painting (photo no.9 taken under Woods light).

Furthermore, when dating tests give negative results, dealers often tend to maintain that it is not the art work that is at fault but the scientific test result, or that the method is unknown.

as originals as long as buyers of art refuse to follow the same line of conduct adopted when acquiring other products, that is to say insisting on a dependable guarantee of the objects authenticity as the condition for its purchase.

Thanks to the laboratory's modern equipment, a painting can be subjected to analysis using infrared reflectography, Wood's light, a stereoscopic microscope, IR spectroscopy and other instrumental techniques.3 e 4 - Microscopic analysis to examine the signs of ageing in the paint layer: the nature of the craquelure (natural or artificial - deep or superficial), the pigments (crystallinity, purity and size), restoration and other factors.

Wood's light and monochromatic lights permit an evaluation of the extent to which the painting has been restored, touched up and overpainted, as well as the identification of various fluorescent substances.7, 8 e 9 - Infrared reflectography permits an in-depth examination of the painting bringing to light underdrawings or grids, pentimenti, the depth of the craquelure, and identification of restoration work or the use of different materials.