Fig. 3
From: Fading into the background: the dark space surrounding Vermeer’s Girl with a Pearl Earring
Sample 21 from the background in the lower right: a Light microscopy, bright field, ×400. 1: ground, 2: underlayer, 3: glaze, with a white box indicating the location of c, d. b Light microscopy, UV fluorescence, ×400. c SEM backscatter image, area indicated with white box on a. d SEM–EDX map: Fe (red), Pb (blue), Ca (magenta), Si (green), C (yellow). e MS-OCT B-scan close to the location of Sample 21, with segmentation indicated for: glaze–underlayer interface (purple) and air–varnish interface (yellow). Lateral scale here is different from the other parts of this figure