Portrait of a Man, Tempera on wood, 21 1/2 x 17 1/2 in. (54. 6 x 44. 5 cm), Paintings, Domenico Ghirlandaio (Domenico Bigordi) (Italian, Florence 1448/49?1494 Florence), The identity of the sitter of this portrait is unknown. It is an early work by Ghirlandaio, and was probably painted at about the same time as a famous fresco cycle in the principal church of San Gimignano