A beautiful circular piece.
A coin definitely rare in such good condition.
Prominent, striking head ghost on obverse.
Obverse: in the oak wreath the inscription: 1/ZŁO-POL-/1830, under the wreath KG, in the rim legend:
*MIKOŁAY I.CES-WSZ-ROSSYI KING OF POLAND REIGNING;
Reverse: head of Alexander I to the right, in the rim legend:
*ALEXANDER I.CES-ROS-RISYI KING-POLS-1815;