LONDON, ENGLAND - JULY 22: A Sotheby's employee holds an onyx and diamond panther bracelet designed and made by Cartier in 1952, during a preview at Sotheby's Auction House on July 22, 2010 in London, England. This piece of jewellery is one of a collection going on sale including a selection of iconic jewels belonging to the Duchess of Windsor. The pieces are estimated to fetch in the region of £3 million GBP at the sale, which takes place at Sothebys Auction house on November 30, 2010 in London. (Photo by Dan Kitwood/Getty Images)
