[Private Vernon Mosher of Co. F, 97th New York Infantry Regiment, in uniform, amputated hand visible] / Thos. D. Givin, photographer, No. 432 Chestnut Street, Philadelphia.
The single best source for Civil War photographs is the U.S. Library of Congress, which holds the core collections of original Civil War documentary ... The majority of the ambrotypes and tintypes are portraits by unidentified photographers of Civil War soldiers, primarily Union soldiers.