Portrait of Two Girls

1855–1865

Medium: ambrotype
Dimensions: image (visible): 6.3 × 5.1 cm (2 1/2 × 2 in.) mat: 7.8 × 6.3 cm (3 1/16 × 2 1/2 in.) overall: 8.7 × 7.2 × 0.5 cm (3 7/16 × 2 13/16 × 3/16 in.)
Genre: Photograph
Museum: National Gallery of Art, Washington, DC, US