Watch List notes:

Russia 1 Rouble 1850 СПБ-ПА St. Petersburg. Nicholas I (1826-1855). Obverse: Two-headed eagle with a crown above. Lettering: ЧИСТАГО СЕРЕБРА 4 ЗОЛОТНИКА 21 ДОЛЯ П А. Reverse: Denomination; date. Lettering: МОНЕТА РУБЛЬ 1850 С.П.Б. St. George without cloak. Small crown on the reverse. Silver. Edge inscription. Bitkin 226. NGC MS 62 PL