Watch List notes:

RUSSIA: 1 Rouble (1990) in copper-nickel commemorating the 100th anniversary of the birth of Tschaikovsky. National arms with "CCCP" and value below. Seated figure of Tschaikovsky on reverse. Inside slab by NGC "PF 68 ULTRA CAMEO / PETER TSCHAIKOVSKY / 150TH ANNIV. OF BIRTH". Cert number: 3937392-019. (Y# 236).