Slight lowering of the angle of the mouth due to depression (left); False laughter (right), between 1854 and 1856

Date: between 1854 and 1856. Dimensions: image: 22.8 × 16.4 cm (9 × 6 7/16 in.); ; mount: 40.3 × 27.8 cm (15 7/8 × 10 15/16 in.). Medium: albumen print. Collection: National Gallery of Art.