Russia
Nicholas I platinum 3 Roubles 1828 СПБ, Crowned double-headed Imperial eagle / Date and value in circle, Bitkin 73 (R1), Fr-160, Proof 64 Cameo NGC. Frosted devices, with deeply mirrored fields and minor reverse flan flaws that keep this pleasing piece from an even higher grade.From The William Jacob Collection, Part I.
Estimate: 8000-10000 USD