| Unidentified photographer Portrait of a Fireman 1850 (ca) Daguerreotype, with applied color 7 × 6.1 cm (2 3/4 × 2 3/8 in.) (image visible) National Gallery of Art Mary and Dan Solomon Fund and Robert B. Menschel and the Vital Projects Fund, Accession Number: 2013.120.1 LL/117817
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