Watch List notes:

RUSSIA: 100 Roubles [1978 (l)] in gold (0,900) part of the 1980 Olympics set. National arms divide CCCP with value below on obverse. Waterside Grandstand on reverse. Inside slab by NGC "PF 69 ULTRA CAMEO / WATERSIDE GRANDSTAND". Cert number: 6633777-001. (Y# 162).