Russia, Catherine II, Rouble 1773 Я-Ч

A natural circulated piece.

Patina, tarnish.

On the reverse, initials of Yakov Chernyshev - St. Petersburg mincmaster of 1770-1776.

Obverse: bust of the Tsarina to the right, below her the mint mark СПБ, in the rim the legend:
Б-М-ЕКАТЕРИНА-II-IМП-IСАМОД-ВСЕРОС;

Reverse: eagle of the Russian Empire, on the sides of the tail initials Я-Ч, in the rim legend:
1773 МОНЕТА - РУБЛЬ;