Watch List notes:

RUSSIA: 150 Roubles [1977 (l)] in platinum (0,999) part of the 1980 Olympics set. National arms divide CCCP with value below on obverse. Moscow Olympics logo within wreath on reverse. Inside slab by NGC "PF 69 ULTRA CAMEO / EMBLEM". Cert number: 5785713-015. (Y# 152).