Medal. Silver. 55 mm. Unsigned, by S.Pomanskii and V. Nikitin. To Commemorate the 50th Anniversary of the USSR, 1972. Edge: 925 (Sterling) and LMD mintmark. Shurko/Saltikov 731. Soviet Arms above anniversary dates, encircled by Arms of the Republics / Lenin standing left exhorting, radiant anniversary legend before and above red enameled Soviet flag. Very low mintage of 300 pieces. Uncirculated. Estimated Value $200