This unique pin has been awarded personally by Tsar Nicholas II to the Bulgarian Ambassador to St. Stanchioff and it comes from his family estate. In the center of the pin is mounted a large 1ct old Rose cut Diamond(7.2mm in diameter).The pin is signed with the Imperial 56 gold hallmark and KF hallmark for Carl Faberge. Scratched with Faberge's inventory number. Every possible defect which is shown in the photos, but not mention in the description, will be considered for described. All the photos shoot by professional Nikon 105 Macro lens under 40x.