| Alvin Langdon Coburn Bright Angel Canyon 1911 Platinum print, with gum bichromate 16 x 12 3/8 ins (40.7 x 31.4 cm) (image and sheet) Philadelphia Museum of Art 125th Anniversary Acquisition. The Lynne and Harold Honickman Gift of the Julien Levy Collection, 2001, Accession Number: 2001-62-468 LL/71428
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