Russia
Nicholas I silver 5 Kopecks 1832 CПБ-HГ MS64 NGC, St. Petersburg mint, Bitkin-385 (R), KM-C163. Obv. Crowned double-headed Imperial eagle. Rev. Crowned date and value in wreath. Fully brilliant, and white, with deeply mirrored fields and only a few minor marks. Quite scarce in Mint State, with only a single piece certified finer. This example should absolutely have a "Prooflike" notation on the holder.
Estimate: 1000-1500 USD