Augustin de Saint-Aubin after Charles-Nicolas Cochin II, ‘P.J. Marco’, 1784, National Gallery of Art, Washington, D.C.
plate: 10.8 x 10.4 cm (4 1/4 x 4 1/8 in.)  sheet: 13.2 x 11.2 cm (5 3/16 x 4 7/16 in.)