Russia, Empire. Rouble Press Machine CU Test Pattern Trial Strike. Struck under Nicholas I. Mint of D. Uhlhorn of Grevenbroich, by Köln am Rhein, 1846. PROBESTÜCK DER RUSSISCHEN RUBEL=MASCHINEN in four lines across field / D. UHLHORN IN GREVENBROICH BEI CÖLN AM RHEIN in six lines across field. Bitkin 1290. 21.33g, 36mm, 12h.
Good Extremely Fine. Extremely Rare.
From the GK Collection (France) of Russian Coins;
Ex WAG Online oHG, Auction 132, 28 August 2022, lot 542 (hammer: EUR 800).