Beautiful piece with very well-preserved details and pleasing to the eye multicolored patina.
Sensational cut of the relief from the background.
On the obverse the initials of the administrator of the St. Petersburg mint - Nikolai Joss.
Obverse: crowned eagle of the Russian Empire, on the sides of the tail initials H-I, in the rim the legend:
ЧИСТAГО СЕРЕБРА 4 ЗОЛОТНИКА 21 ДОЛЯ;
Reverse: in laurel and oak wreath crowned inscription:
МОНЕТА/РУБЛЬ/1848/ С.П.Б.;