Russia
Nicholas I copper Proof Pattern Denga (1/2 Kopeck) 1849-EM PR65 Red and Brown NGC, Ekatinerburg mint, Bitkin-610 (R2), Brekke-55. Obv. Crowned monogram of Nicholas I. Rev. Crowned date and value. Considerable remaining mint-red color, with boldly defined details, and surfaces free of all but the most minute marks. A very rare issue, in pleasing Gem condition.
HID02901242017
Estimate: 3000-4000 USD