Watch List notes:

RUSSIA, Empire. Nikolai I Pavlovich. 1825-1855. AR Rouble (36mm, 20.43 g, 12h). Sankt-Peterburg (St. Petersburg) mint; Nikolai Grachev, mintmaster. Dated 1840 СПБ. Crowned double-headed imperial eagle; H-Γ flanking tail / Value, date, and mintmark within laurel and oak wreath; imperial crown above. Bitkin 183; Uzdenikov 1591; KM (C) 168.1. VF, toned, a few hairline die breaks.