Watch List notes:

Russia 1 Poltina 1850 СПБ-ПА Nicholas I (1826-1855). Obverse: Crowned double-headed eagle. Lettering: ЧИСТАГО СЕРЕБРА 2 ЗОЛОТНИКА 10 1/2 ДОЛЕЙ П А. Reverse: Crowned denomination. Lettering: МОНЕТА ПОЛТИНА 1850 С.П.Б. Silver. Edge inscription. Bitkin 263. NGC MS 63