CURTIS, Edward Sheriff (American, 1868-1952). Pair of Cheyenne Photogravures. [Boston: John Andrew & Son, ca. 1911]. Original photogravures on Japanese gampi tissue paper, mounted on Dutch Van Gelder paper with additional vellum cover attached. [Facing pages 148 (Eagle Chief) and 144 (Arapaho Youth)] in Curtis?s ?The North American Indian, Vol. 6. The Piegan. The Cheyenne. The Arapaho.? Images approx 8 ? x 5 5/8?; overall 12 ? x 9 ??; Deckled edges, book binding marks, toning, and some discoloration around perimeter; Van Gelder watermark lightly visible and upper right corner slightly torn on Eagle Chief page (not affecting image). Images clean and bright.