Original or fake?

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Screening paintings (left picture) with infrared light reveals the watermarks (right picture) of the paper mills. These enable works to be dated and examined for authenticity without risk of damage. HAUM Braunschweig Museumsfoto Claus Cordes
Screening paintings (left picture) with infrared light reveals the watermarks (right picture) of the paper mills. These enable works to be dated and examined for authenticity without risk of damage. © HAUM, Braunschweig Museumsfoto Claus Cordes

Even for art historians, it can be difficult to distinguish original works of art from fakes. Research scientists now screen the pictures with infrared radiation. This shows up the watermarks of the paper mills, which allows them to date the works without risk of damage.


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