Press Preview Of Sotheby’s Impressionist And Modern Art Auction

An edition of Roy Lichtenstein's 'Girl in Mirror' at Sotheby's in London.

LONDON, ENGLAND – JUNE 14: A woman views ‘Girl in Mirror’ by Roy Litchenstein at Sotheby’s on June 14, 2012 in London, England. This piece is part of the Impressionist & Modern and Contemporary Art sale at Sotheby’s which will be held on June 19, 2012 and June 20, 2012. (Photo by Bethany Clarke/Getty Images)