Watch List notes:

Russia. Nicholas I (1825-1855). Rouble. 1854-. St. Petersburg. Obv: PURE SILVER 4 ZOLOTNICKS 21 DOLAS Crowned double-headed eagle with arms on breast. Rx: COIN RUBLE and date in wreath, crown above. Fancy bar on reverse. Davenport 283, KM C#168.1. NGC AU Details, Surface hairlines.