26 PC. SILVER RUSSIA 10 & 5 RUBLE CCCP OLYMPIC COINS: Approx. 19.5 Troy ounces. Soviet Union .900 Silver proof coins, CCCP Russian Olympics, 1977 to 1980. 13- 10 Ruble, & 13- 5 Ruble coins. All except two reside in hard plastic cases. All ungraded with most looking uncirculated.