LONDON, ENGLAND - JUNE 09: A piece of work entitled 'Masks' by William Roberts at Sotheby's Auction House on June 9, 2011 in London, England. The work is expected to fetch between £120,000 - 180,000... more 
LONDON, ENGLAND - JUNE 09: A piece of work entitled 'Masks' by William Roberts at Sotheby's Auction House on June 9, 2011 in London, England. The work is expected to fetch between £120,000 - 180,000 GBP and makes up part of the 'Evill / Frost Collection', one of the largest collections of 20th-Century British art ever to come to auction. The collection features works by artists including Henry Moore, Dame Barbara Hepworth and Patrick Heron, as well as the largest group of works by Stanley Spencer ever to come to auction, and is estimated to fetch in excess of £12 million GBP when it is sold at auction on June 10, 2011 at Sotheby's. (Photo by Dan Kitwood/Getty Images) less 
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Getty Images | Photo By Dan Kitwood / Getty Images
Fri, Jun 10, 2011 5:16 AM EDT