The Good Thief: study of a male nude for a Crucifixion

Italian School, circa 1450-1470 The Good Thief: study of a male nude for a Crucifixion with ink number '13.3' (below the feet) and with further ink number 'No 226.' metalpoint, charcoal, heightened with white, on prepared green-grey paper (originally blue), irregular 7 1/8 x 5½ in. (18 x 14 cm.) (at largest point)