Fig. 5From: Uncovering the illegible: multi-analytical approach to reveal paint stratigraphy of corroded signposts from the Auschwitz-Birkenau State MuseumCross-section of sample P-02 of object PMO-U2 a in visible light, different compositions of yellow and white layers in comparison to the cross-section of object PMO-U1 are visible. b BSE image for sample P-02Back to article page