Poltina 1875, St. Petersburg Mint, SPB NI. 10.30 g. Proof. Bitkin 119 (R). Very rare, especially in this condition. 2.5 roubles according to Petrov. NGC PF65. Cabinet piece with magnificent patina.

From the Soedermann Collection, auction SINCONA 7, Zurich, October 2012, lot 1444 (price realized: CHF 20,000 CHF).