The artwork titled "Les deux soeurs" by artist Pierre-Auguste Renoir is seen during a Christie's auction in New York May 6, 2014. REUTERS/Adam Hunger (UNITED STATES - Tags: SOCIETY BUSINESS) NO SALES.... more 
The artwork titled "Les deux soeurs" by artist Pierre-Auguste Renoir is seen during a Christie's auction in New York May 6, 2014. REUTERS/Adam Hunger (UNITED STATES - Tags: SOCIETY BUSINESS) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By ADAM HUNGER / REUTERS
Tue, May 6, 2014 9:40 PM EDT