A nice piece with well-preserved details.
Obverse: obverse: in the rope wreath an eagle of the Russian Empire of the 1830 pattern, on the sides of the tail initials КБ, in the outer wreath information about the minting order: ЧИСТАГОСЕРЕБРА 2 ЗОЛОТНИКА 10 1/2 ДОЛЕЙ;
Reverse: in laurel and oak wreath crowned inscription: МОНЕТА/ПОЛТИНА/1845/С.П.Б...;