Jacob Adam after Antoine-François Callet, ‘Louis XVI, Marie-Antoinette, and Louis-Charles’, 1793, National Gallery of Art, Washington, D.C.
plate: 17.1 x 11.1 cm (6 3/4 x 4 3/8 in.)  sheet: 24.3 x 17.6 cm (9 9/16 x 6 15/16 in.)