Augustin de Saint-Aubin after Baron Dominique Vivant Denon, ‘Salomon Gessner’, 1775, National Gallery of Art, Washington, D.C.
plate: 16.7 x 12 cm (6 9/16 x 4 3/4 in.)  sheet: 27.5 x 17.8 cm (10 13/16 x 7 in.)