Watch List notes:

RUSSIA: 20 Kopeks (1915 BC) in silver (0,500). Crowned double-headed imperial eagle, ribbons on crown on obverse. Crown above value and date within wreath on reverse. Struck in Petrograd without mintmaster initials. Inside slab by PCGS "MS 63". Cert number: 45567891. (Y# 22a.2) & (Bitkin 117).