Stefano Della Bella, ‘Young Moor with a Slight Beard and Feathered Turban, Turned to the Left’, 1650, National Gallery of Art, Washington, D.C.
plate (oval): 10 x 7.3 cm (3 15/16 x 2 7/8 in.)  sheet: 10.7 x 8.2 cm (4 3/16 x 3 1/4 in.)

About Stefano Della Bella