Russia
Elizabeth Grivennik (10 Kopecks) 1756-MБ MS64 NGC, Red mint (Moscow), Bit-230 (R), Diakov-405, UZD-887. Obv. Crowned and mantled bust of Elizabeth right. Rev. Crowned date and legend in cartouche. Reddish-gray obverse toning, with underlying luster. The reverse exhibits silvery-gray patina with brighter, lustrous appearance and some striking softness. No examples have been certified finer by NGC and PCGS, with only one other piece certified in MS64.
Estimate: 2000-2500 USD