Master of the Osservanza Triptych, ‘Saint Anthony Leaving His Monastery’, ca. 1430/1435, National Gallery of Art, Washington, D.C.
painted surface: 46 x 34 cm (18 1/8 x 13 3/8 in.)  overall size: 47.2 x 35 cm (18 9/16 x 13 3/4 in.)  framed: 61.6 x 125.4 x 7.6 cm (24 1/4 x 49 3/8 x 3 in.)

About Master of the Osservanza Triptych