late 14th till the late 17th century, the Cap of Monomakh a symbol of power, was used in the ceremony of setting the ruler of the Russian State for reigning. In the first quarter of the 18th century, after Peter the Great's reforms, the ceremonial setting for reigning was replaced by coronation, the main attribute of which became the imperial crown. Since the 18th century the Cap of Monomakh served as the heraldic crown of the "Tsardom of Great, Little and White Russia". The Kazan Crown Kazan crown This 16th century crown is the second oldest in Russia. The gold crown is studded with pearls, garnets, and turquoises. The sable-fur trimming was for comfort. The Kazan Crown is dated by 1553. It was first mentioned in the treasury of Tsar Ivan the Terrible, whose reign was marked by a series of important events in Russian history. Among them is the capture of Kazan in October 1552 and annexation of the Kazan khanate to the Russian state. The precious crown might have been executed by Moscow Kremlin jewelers on the successful solution of "The Eastern problem", so important for Muscovy. Its name might have immortalized the memory of the glorious victory of Russian warriors. The crown's look combines national and eastern artistic traditions. Some elements are reminiscent of the decor traditions of Russian churches of the epoch. At the same time, the combination of stones, e.g. red tourmalines and rubies with blue turquoise and the carved ornament of knitting herbs on a niello background represent oriental artistic influence. It may have belonged to Ediger Mahmet, the last ruler of the Tatar (Tartar) state of Kazan. Since the 18th century this crown served as the heraldic crown of the "Tsardom of Kazan". The Ivory Throne The Ivory throne is the earliest preserved tsars throne of the mid-16th century. The throne was made of wood faced with plates of ivory and walrus tusk, therefore it was called the "carved bone armchair". The carved ornament unites the various subjects and representations into a single composition. Decorative scenes include images from Greek mythology and the Old Testament. The depicted themes, the style of the carving and the motifs, which include grotesques and Cupids, enable researchers to date most of the pieces to the 16th century and attribute them to Western European Renaissance craftsmen. This bone throne has been renovated several times in Russia: worn pieces