Russia USSR 100 Roubles 1978(L) Waterside Grandstand. 1980 Summer Olympics Moscow. Obverse: National arms divide CCCP with value below. Lettering: СССР 100 РУБЛЕЙ. Reverse: Waterside Grandstand. Lettering: ИГРЫ XXII ОЛИМПИАДЫ · МОСКВА · 1980 ЛМД 1978. Edge Milled. Gold 17.28g. Y 162. NGC PF 66 ULTRA CAMEO