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Similarly, Wolfgang Beltracchi, a 21st century forger, also bought his frames and supports at antique markets (18).
Thus, the art of deceiving by acquiring an older support is a common modus operandi among forgers to avoid anachronistic features and was already common practice before the development of C dating.
The microscale present in the photo on the , 40.8 cm × 51.1 cm.
If possible, conservators sample from existing losses or damages. Interestingly, the resulting age range does not contradict the signed date of 1866, nor does it exclude a later creation date either.
In the case of a painting, the typical supports made of textile, wood, parchment, or paper are sampled, as they usually offer sufficient material and can provide decisive evidence in authentication issues (13, 14).
If possible, conservators sample from existing losses or damages.The method, however, is invasive and in its early days required sampling tens of grams of material.With the advent of accelerator mass spectrometry (AMS) and further development of gas ion sources (GIS), a reduction of sample size down to microgram amounts of carbon became possible, opening the possibility to date individual paint layers in artworks.The results were unanimously consistent in proving that the work was a modern counterfeit.In our work, we demonstrate the power of , 40.8 cm × 51.1 cm.