1153924 Hooker Emerald, 1950 (emerald & diamonds set in platinum) by Tiffany & Company; National Museum of Natural History, Smithsonian Institution, Washington D.C., USA; (add.info.: A 75.47-carat Colombian emerald, once owned by Abdul Hamid II, Sultan of the Ottoman Empire, and said to have been worn as his belt buckle. The emerald was mounted as a brooch in 1950 by Tiffany & Co. Donated to the Smithsonian in 1977 by Mrs Janet Annenberg Hooker. Gem Gallery, National Museum of Natural History, Smithsonian Institution, Washington DC, USA.); American, out of copyright.