Poland under Russia, Nicholas I, 15 kopecks=1 zloty 1836 НГ

Natural, circulated piece.

Obverse: eagle of the Russian Empire, below it, separated by a tail the initials of the mincmaster НГ;

Reverse: in the rim an inscription: ЧИСТAГО СЕРЕБРА 60 3/4 ДОЛИ., centrally an inscription in 5 lines:
15/КОПЪЕКЪ/1/GOLD./1836;