Russia
Nicholas I platinum 3 Roubles 1830 СПБ, Crowned double-headed Imperial eagle / Date and value in circle, Bitkin 75, Fr-160, UNC Details, Cleaning, PCGS Genuine. Fully lustrous, and well struck, with a few tiny contact marks on both sides. The cleaning was minor, and detracts little from the appearance.
Estimate: 3000-3500 USD