Photos: Sotheby’s multimillion dollar art auction
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Credit: Getty Images
LONDON, ENGLAND - OCTOBER 08: Visitors to Sotheby's look at bridget Riley's 'Delos' on October 8, 2012 in London, England. Estimated at �300,000-400,000 the work forms part of Sotheby's Contemporary Evening sale on October 12, 2012 in London. (Photo by Peter Macdiarmid/Getty Images)
