A Christie's staff member holds "Feuilles de Groseillier" brooch during an auction preview in Geneva November 6, 2014. It was commissioned by Empress Eugenie, wife of Napoleon III, to French jeweller Alfred Bapst in 1855 and once belonged to the French Crown. It is expected to sell between CHF 1,900,000 to 2,900,000 (US $ 2,000,000 to 3,000,000) when it is auctioned on November 11 in Geneva. REUTERS/Denis Balibouse (SWITZERLAND - Tags: SOCIETY TPX IMAGES OF THE DAY)