This Week's Photography Auctions in New York

This week there are two important photography auctions in New York. Pictures by Ansel Adams, Edward Weston, Richard Avedon, Harry Callahan, Helmut Newton, Nick Brandt, Irving Penn and many others are for sale at Sotheby's (April 6) and at Christie's (April 8).

Photo: Lot 601, Sale 2431 at Christie's, Dovima with Elephants, by Richard Avedon.

Photo: Lot 601, Sale 2431 at Christie's, Dovima with Elephants, by Richard Avedon.