Sotheby’s Single Owner Photography Sale = $5.4m April 2, 2014 by Marion Maneker Edward Weston, Shells (300-500k) 905k USD Edward Steichen, Gloria Swanson (300-500k) 629k USD Alvin Langdorn Coburn, Vortograph (250-350k) 605k USD Charles Sheeler, Stairwell, Williamsburg (200-300k) 425k USD Edward Weston, Pepper (no. 30) (150-250k) 341k USD Laszlo Moholy-Nagy, Fotogramm (100-150k) 221k USD Henri Cartier-Bresson, Seville (70-100k) 197k USD Robert Frank, Motorama, Los Angeles (25-35k) 185k USD Manuel Alvarez Bravo, Paisa de Equitacion (30-50k) 106,250 USD More from Art Market MonitorArt, Business & LifeIn Conversation: Director of Pulse Art Fair, Cornell De Witt.Smith + Saltz Take on Hauser + WirthTracking the ForgerThe New Breed of Curator-Party PromotersSaffronart’s Live Souza Sale Sells Out = $1.26m