Portrait of a Man

1855–1865

Medium: ambrotype with applied color
Dimensions: image (visible): 7 × 5.7 cm (2 3/4 × 2 1/4 in.) mat: 8.2 × 6.8 cm (3 1/4 × 2 11/16 in.) case (closed): 9.7 × 8.2 cm (3 13/16 × 3 1/4 in.)
Genre: Photographs
Museum: National Gallery of Art, Washington, DC, US