Watch List notes:

RUSSIAN: Soviet gold coins began to be minted a year after the formation of the USSR in 1923, and the last coin was issued in 1991, when the union of the republics collapsed. In total, there are five denominations of commemorative collection coins of gold, which were released during this period 10, 25, 50 and 100 roubles. All of them were dedicated to one or another political figure, historical event and architectural structure. 8.6397g 0.900 .