Extreme pain, the head of Christ (left); Memory of love or ecstatic gaze (right), between 1854 and 1856

Date: between 1854 and 1856. Dimensions: image: 22.3 × 16 cm (8 3/4 × 6 5/16 in.); ; mount: 40.2 × 27.9 cm (15 13/16 × 11 in.). Medium: albumen print. Collection: National Gallery of Art.