Imogen Cunningham (American, 1883-1976) Spiral Back, 1929 Gelatin silver print, printed 1987 by Rondal Partridge 7-7/8 x 5-5/8 inches (19.9 x 14.2 cm) (image/sheet) Embossed with photographer's blindstamp, mount recto. Signed by Rondal Partridge, Estate Executor, in pencil and Estate label with title and date affixed to mount verso. HID12401132022 © 2024 Heritage Auctions | All Rights Reserved