Jules-Ferdinand Jacquemart after Jan van de Cappelle, ‘L'Approche de l'Orage (The Storm's Approach)’, National Gallery of Art, Washington, D.C.
image: 11.9 x 14.8 cm (4 11/16 x 5 13/16 in.)  plate: 15.2 x 18.5 cm (6 x 7 5/16 in.)  sheet: 29.6 x 42.8 cm (11 5/8 x 16 7/8 in.)