Polupoltina 1808, St. Petersburg Mint, FG. Bitkin 82 (R3, this coin!). Severin 2581. GM 6.2 (this coin!). Excessively rare. The rarest of this type. 75 roubles according to Ilyin. NGC MS61.

From the Soedermann Collection, auction SINCONA 12, Zurich, October 2013, lot 429 (price realized: CHF 1,000,000).

With the expertise by the Society of Friends of the State Historical Museum, no. 510/13, dated August 6, 2013, signed by I.V. Shiryakov.