Rouble 1842, St. Petersburg Mint, SPB ACh. 20.56 g. Plain edge. Bitkin 201 var. Extremely rare variety. NGC VF Details. Graffiti on reverse.

From the Soedermann Collection, auction SINCONA 7, Zurich, October 2012, lot 1013 (price realized: CHF 6,000).

Note from the collector Soederman: "RRRRR. Unknown in all other numismatic literature except for Kocheregin".