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Dating painting canvas

3) with Woods Light and microscope for the examination of restored areas 4) with IR-Reflectography for the examination of the deepest painting layers 5) with microscope, Woods Light and reflectography in order to verify the material uniformity and the ageing of the signature 6) with IR-Spectroscopy for establishing the pigments used and examining the drying of the paint binder attempt to determine the authenticity of a painting must begin with tests and analyses to establish whether the age of the painting and the materials and techniques used are compatible with the presumed date of execution.

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).

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.

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.

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.

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Dating painting canvas introduction

Dating painting canvas

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