Augustin de Saint-Aubin, ‘Madame de Maintenon’, 1801, National Gallery of Art, Washington, D.C.
plate (trimmed within plate mark along left edge): 21.5 x 14.7 cm (8 7/16 x 5 13/16 in.)  sheet: 24.5 x 16 cm (9 5/8 x 6 5/16 in.)