in 1656: In total unique oriental saadak and quiver have 306 diamonds, 40 emeralds and 1256 tourmalines. Sabre Precious sabre was made in Istanbul and presented to the Tsar by Greek Ivan Bulgakov in 1656: Helmet Helmet-"ericho cap" of "Grand set" was made in Turkey in the 1600s, until 1620 it belonged to prince Fyodor Mstislavsky and later - to Tsar Alexis Mikhailovich: It has golden and silver designs and 61 pearls and gemstones. Concir State sword-concir in golden sheath was executed in Istanbul and presented to Tsar Alexei Mikhailovich by Greek Dmitry Astafiev in 1657. Concirs sheath is adorned by 63 tourmalins and 205 turquoises. Busdychan The mace-busdychan of "Grand set" was executed in Istanbul and presented to Tsar Alexei Mikhailovich by Greek Dmitry Astafiev in 1655. It has 46 emeralds and 109 pink tourmalines. Tsars' regalia 1660s-1680s Pectoral cross with a chain This cross was executed by Kremlin masters in 1662 and altered in 1682. Only this regalia survived from "Grand set" of Theodore Alekseevich - elder son of Alexis Mikhailovich. It is golden cross with diamonds, with golden chain. On facial side of cross there is 4 enamelled medallions this pictures of: The Transfiguration of Jesus, The Crucifixion of Jesus, Last Supper and Entombment of Jesus. On the verso of the cross there is an image of a heaven protector of the Tsar - Theodore Stratilates. The figure of the Saint, floral pattern around it, as well as religious scenes on the obverse of the cross are executed in bright shining colours, which make all the compositions similar to a multicolour shining mosaics. In 1682 Russia received two co-rulers - Ivan V Alekseevich and Peter I Alekseevich. Both of them had own jewels (but one throne). Silver double throne The Double throne of Tsars Ivan Alekseyevich and Peter Alekseyevich, which serves as a vivid illustration of the unique historical moment, when two tsarevitches were crowned together: Tsar Alexis died leaving three sons. After the death of the eldest one, Theodore, fifteen-year-old Ivan should have inherited the throne, but he was feeble-minded and in poor health. So it was decided to crown the two brothers together, Ivan and ten-year-old Peter (the future Peter the Great). The double-seated throne was executed specially for the occasion by the Kremlin craftsmen in the 1680s. Its constriction including open-work arch on twisted columns, silver steps below and a high back with two