Fig. 6From: Unmasking a wild man: scientific analysis of Bertoldo di Giovanni’s Shield Bearer in The Frick CollectionBSE images of a a portion of sample S6, i.e. a fragment of solder, showing the microstructure constituting the Cu–Ag solder, and b a detail of the microstructure (red square). c, d X-ray elemental maps illustrating the distribution of Cu and Ag, respectivelyBack to article page