Elihu Vedder, ‘The Son and the Donkey’, 1863, National Gallery of Art, Washington, D.C.
Overall: 10.9 x 7.1 cm (4 5/16 x 2 13/16 in.)  support: 22.7 x 13.1 cm (8 15/16 x 5 3/16 in.)

About Elihu Vedder