Watch List notes:

The Oksana Bennett Collection of Russian Coins | Alexander II Nikolaevich (1855-1881), Poltina, 1857-CNB, St. Petersburg, Feodor Blum, crowned double-headed eagle, rev. crowned value and date in wreath, incuse edge lettering, 10.30g, 12h (Sev. 3652; Uzd. 1734; Diakov 39; Bitkin 51), lightly cleaned, otherwise residually lustrous, about extremely fine