The Oksana Bennett Collection of Russian Coins | Nicholas I Pavlovich (1825-1855), Poltina, 1851-CNB, St. Petersburg, Paul Alexiev, crowned double-headed eagle, rev. crowned value and date in wreath, incuse edge lettering, 10.29g, 12h (Sev. 2581; Uzd. 1687; Diakov 590; Bitkin 264), once lightly wiped on reverse, otherwise lustrous, a really bold very fine / near extremely fine