RUSSIA. 20 Kopek, 1771-CNB. Catherine II (the Great) (1762-96). NGC AU-55.
C-63c; Bit-379. Vastly more scarce than later nineteenth and early twentieth century issues of the same denomination. Lustrous, well centered, well struck, and on a high quality flan. Light attractive toning which deepens towards the edges. NGC AU-55.
Estimate: $300.00- $400.00