Fig. 3From: Uncovering the illegible: multi-analytical approach to reveal paint stratigraphy of corroded signposts from the Auschwitz-Birkenau State MuseumCross-section of sample P-01 of object PMO-U1 a in visible light. Different compositions of yellow and white layers, residues of minium at the bottom, and delamination phenomena are visible. Visible layers are numbered from 1 to 8. b UVF image for sample P-01 and c BSE image for sample P-01Back to article page