| Alexander Gardner View on the Battlefield of Antietam, September 1862 1862, September Albumen print, from glass negative 7.1 x 10 cm (2 13/16 x 3 15/16 ins) (image) 7.3 x 10.6 cm (2 7/8 x 4 3/16 ins) (mount) Metropolitan Museum of Art Purchase, Florance Waterbury Bequest, 1970, Accession Number: 1970.537.2 LL/84492
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