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Moreover, the fact that the position of these cracks corresponds to that of the inside corner of the current stretcher is further confirmation that the side strips are definitely original.

When pressure is applied by a special instrument (durometer) on the paint layer, which is fairly hard as a result of the drying of the paint binder and the colours, it tends to crack rather than warp.

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.

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.

Icons are a telling example of how stylistic considerations alone are not sufficient to establish the date of a painting.

Even though from an art historical standpoint there are clearly distinguishable painting styles, succeeding generations continued to reproduce the best-known and loved styles and themes.

An overall examination of the painting under Woods light showed up a little number of restored areas, particularly to the upper right in correspondence with the sky: in fact under Woods light these areas appear as dark patches. 10 taken with the help of specific filters and subsequent digital elaboration.

Whilst this type of ascertainment is to the dealers advantage, for buyers it could mean the almost total loss of their investment if one day this overemphasis on the signature were considered illogical and mistaken and a more traditional way of attributing art returned to the various component materials of the painting and its support.

Any incompatibility between the measured ages and information on the presumed author reveals to the owner, before he seeks an expert opinion, that he has acquired one of the myriad recent copies in circulation.

Only the dating of the wood, therefore, can permit certain and unequivocal classification.

A careful preliminary examination of the edges brought to light the presence of a set of new nails, whilst there are numerous free holes left by preceding nails.

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