Russia, Rouble 1854 HI

A beautiful circular piece.

Uneven patina.

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/1854/ С.П.Б.;