Carbon dating paint
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.
As a consequence a section of the trade rejects scientific methods out of economic necessity.
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).
In the past, when called on to appraise and attribute a painting, art experts examined only the surface under natural light.
A superficial examination of this kind was sufficient, however, because it was artistic style and technique they were looking fact that today, as in the future, it is often impossible to attribute a work to an author with certainty, induces the thought that current art appraisal methods are all to the advantage of the market.
The laboratorys instruments and know-how for the determining of authenticity are at the disposal of collectors, art experts, restorers, art galleries and museums.
(where the Museum is located) The prime institution for the fight against forgery and imitations is the Guardia di Finanza or Financial Police.
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.
IR spectroscopic analysis permits the analysis of various materials to ascertain their compatibility with the presumed historic period: pigments, binders, glues and varnishes. The laboratory also digitalizes images obtained by the various techniques, carries out examinations under reflected and raking light, and performs microchemical analyses.
Certificates are issued with a clear and exhaustive report on the results of the analyses.
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.
In this specific case the analysis did not found a preparatory drawing of the subject below, but it pointed out some parallel lines to external edges, which determine a perimetric rectangle.