| Ernst Enke (German, active second half of 19th century) Portrait of Alfred Stieglitz (Head and Shoulders) 1884 Gelatin silver print 6 9/16 × 4 7/16 ins (16.7 × 11.3 cm) (image and sheet) Philadelphia Museum of Art From the Collection of Dorothy Norman, 1969, Accession Number: 1969-83-94 LL/71545
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