Title: [Union Officer Standing at Attention]
Object type: Ambrotype
Date: 1861–65
Artist:  Unknown 
Artist bio: American
Artist role: Artist
Medium: Ambrotype with applied color
Dimensions: Image: 10.8 x 8.3 cm (4 1/4 x 3 1/4 in.)
Case: 12 × 9.7 cm (4 3/4 × 3 13/16 in.)
Classification: Photographs
Credit line: Anonymous Gift, 2012
Department: Photographs
Repository: Metropolitan Museum of Art, New York, NY
Tags: term: Soldiers, term: American Civil War, term: Men, term: Portraits