| W. Hammerschmidt Porte de la Mosque, Sultan Hassan. Partie Inférieure 1860 (ca) Albumen silver print, from glass negative 23.5 x 31.2 cm (9 1/4 x 12 1/4 ins) Metropolitan Museum of Art Purchase, The Horace W. Goldsmith Foundation Gift, through Joyce and Robert Menschel, 1989, Accession Number: 1989.1076 LL/79761
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