A very nicely detailed coin with a fine patina graded in NGC grading.
Variety with Saint George without the mantle.
On the obverse the initials of mincmaster Pavel Alekseev.
Obverse: crowned eagle of the Russian Empire, on the sides of the tail the initials of the mincmaster, in the rim the legend:
ЧИСТAГО СЕРЕБРА 4 ЗОЛОТНИКА 21 ДОЛЯ;
Reverse: in laurel and oak wreath crowned inscription:
МОНЕТА/РУБЛЬ/1850/С.П.Б.;