a 19th century strand natural pearl and diamond necklace , former property of cocktail expected to fetch usd is shown during a press preview at the auction house
{"Image ImageDescription": "GENEVA, SWITZERLAND - NOVEMBER 06:  A 19th century two-strand natural pearl and diamond necklace, former property of HM Queen Margarita of Italy, expected to fetch between 500,000 to 700,000 USD is shown during a press preview at the auction house Christie's on November 6, 2015 in Geneva, Switzerland.  (Photo by Harold Cunningham/Getty Images)", "Image Copyright": "2015 Harold Cunningham", "Image XResolution": "300", "Image YResolution": "300"}