Russia
Nicholas II Proof 50 Kopecks 1908-ЭБ PR64 NGC, St. Petersburg mint, KM-Y58.2, Bitkin-87 (R1). Obv. Head of Nicholas II left. Rev. Crowned double-headed eagle with date and value. Choice, with bold cameo contrast and a touch of russet toning around the obverse periphery. A very rare issue, with only a single piece certified finer.
HID02901242017
Estimate: 8000-10000 USD