Watch List notes:

Russia USSR 150 Roubles 1978 (L) 1980 Summer Olympics Moscow Discus. Obverse: The coat of arms of the Soviet Union; value; date. Lettering: СССР 150 РУБЛЕЙ. Reverse: Discus. Lettering: ИГРЫ XXII ОЛИМПИАДЫ · МОСКВА · 1980 ЛМД 1978. Edge Reeded. Platinum (.999) 15.55 g. Y 163. NGC PF 70 ULTRA CAMEO