Russia
Nicholas I gold Proof 5 Roubles 1847 CПБ-AГ PR64 NGC, St. Petersburg mint, KM-C175.3, Bit-29. Obv. Crowned double-headed eagle with orb and scepter. Rev. Date and value in beaded circle. Essentially flawless strike, with greenish-gold patina. The fields are nicely mirrored and only minor marks keep this piece from the gem category. Extremely rare, and the single finest Proof example certified by NGC and PCGS combined.
HID02901242017
Estimate: 4000-6000 USD