Louis-Candide Boulanger, ‘Attaque du lion’, ca. 1830, National Gallery of Art, Washington, D.C.
image: 19.7 x 23.2 cm (7 3/4 x 9 1/8 in.)  sheet: 31.2 x 44.9 cm (12 5/16 x 17 11/16 in.)