A nice piece. Incisions on the obverse. A coin of pleasant appearance.
Obverse: eagle of the Russian Empire of 1825 design, under it initials НГ, in the rim legend:
1829 ГОДА. МОНЕТА РУБЛЬ;
Reverse: in a laurel and oak wreath crowned information about the mint ordnance:
ЧИСТАГО/СЕРЕБРА/4 ЗОЛОТН./21 ДОЛЯ./С.П.Б.;