Losnummer 288. Nicholas I Essai/Pattern AE Rouble 1846Russia. Nicholas I (1825-1855). Essai/Pattern AE Rouble 1846 (35.5 mm, 20.35 g). Obv. D. UHLHORN / IN / GREVENBROICH /  BEI / CÖLN AM RHEIN / 1846.Rev. PROBESTÜCK / DER / RUSSISCHEN / RUBEL= / MASCHINEN.Bitkin 1290 (R3).Extremely rare. Some very minor marks, otherwise, extremely fine.