'Lost' Rembrandt self-portrait revealed

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A known portrait of Rembrandt (L) with the newly uncovered painting (R)



The self-portrait is hidden under this image of an old man, attributed to Rembrandt

No detail is visible in the face, but experts say it matches a reproductive print from 1633 that has an inscription saying it is by Rembrandt.

X-ray scanning was used to detect the pigments in hidden layers of paint.

A leading expert on Rembrandt said he was convinced of its authenticity based on similarities in painting style.

The unfinished self-portrait was discovered under another panel said to be by the master - Old Man with a Beard.