“Sotheby’s sale of 1,200 photographs from the collection of the bankrupt Polaroid Corporation shook out and developed into a $12.47 million triumph.” An Ansel Adams image of a winter storm at Yosemite sold for $722,500; two Warhol self-portraits drew a total of more than $400,000; a Chuck Close self-portrait from 1987 went for $290,500.