Watch List notes:

RUSSIA: 20 Kopeks (1864 CΠb ΗΦ) in silver (0,750). Double-headed imperial eagle redesigned with ribbons on crown on obverse. Crown above date and value within wreath on reverse. Inside slab by PCGS "MS 64". Cert number: 44168726. (Y# 22.2) & (Bitkin 177).