Noli me tangere. Fluorescence under ultraviolet light. Detail
© KIK-IRPA, Brussels.
The non-treated sections present a surface that is uniformly yellowish; the sections with their varnish removed present dark zones that correspond to old retouches.
© KIK-IRPA, Brussels.
The non-treated sections present a surface that is uniformly yellowish; the sections with their varnish removed present dark zones that correspond to old retouches.