La Marquise Mathilde, 1861–66

Photograph. Date: 1861–66. Dimensions: Image: 9.9 x 7.5 cm (3 7/8 x 2 15/16 in.); Mount: 12.2 x 8.9 cm (4 13/16 x 3 1/2 in.); ; Mat: 35.6 x 27.9 cm (14 x 11 in.). Medium: albumen silver print from glass negative. Collection: Metropolitan Museum of Art.