The Angel of the Annunciation
painted surface (on recto): 29.5 x 20.5 cm (11 5/8 x 8 1/16 in.)  overall: 31 x 21.5 cm (12 3/16 x 8 7/16 in.)  painted surface (gesso ground on verso): 21 x 30.2 cm (8 1/4 x 11 7/8 in.)  framed: 54.6 x 32.9 x 4.1 cm (21 1/2 x 12 15/16 x 1 5/8 in.)

About Simone Martini

Italian, ca. 1284 - 1344, based in Siena, Italy