Fig. 8From: Fading into the background: the dark space surrounding Vermeer’s Girl with a Pearl Earringa 3D digital microphotograph of the signature. b 3D view of a, tilted at 45° beta viewing angle. c 3D digital microphotograph of area of a marked with white box: (1) ground and underlayer in crack, (2) glaze, (3) paint of signature, (4) retouching. Hirox Europe, Jyfel. d 3D view of d, tilted at 50° beta viewing angle, 1.1 µm/pixel. Hirox Europe, JyfelBack to article page