Buy Russian silver coins at Gainesville Coins. Among the most common Russian silver coins available are the 5 ruble and 10 ruble silver coins minted between 1977 and 1980 to commemorate the 1980 Olympics in Leningrad, Russia. Each coin is 90% silver. The 5 Ruble Silver Coin contains .4823 troy ounces. The 10 Ruble Silver Coin contains .9635 troy ounces. Gainesville Coins also carries several commemorative silver coins by the Russian Mint.