| O.H. Willard Artillery, First Sergeant 1865 (ca) Albumen silver print, hand-colored, from a wet collodion negative 8 × 5 7/8 ins (20.3 × 14.9 cm) (image and sheet) 13 1/8 × 10 1/4 ins (33.3 × 26 cm) (mount) Philadelphia Museum of Art Purchased with the Lola Downin Peck Fund, 2015, Accession Number: 2015-143-3 LL/71231
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