Painful recollection or painful thoughts, between 1854 and 1856

Date: between 1854 and 1856. Dimensions: image: 21.8 × 15.8 cm (8 9/16 × 6 1/4 in.); ; mount: 40.3 × 27.3 cm (15 7/8 × 10 3/4 in.). Medium: albumen print. Collection: National Gallery of Art.