Kingdom of Poland, Alexander I, 1 zloty 1825

A nice piece with good details. The last gold coin of Alexander I minted in a low mintage.

A curiosity in the form of a clear outline of the tsar's head on the reverse.

Obverse: head of Alexander I to the right, in the rim the legend:
*ALEXANDER AND EMPERORSA-W-ROS-KING OF POLAND;

Reverse: eagle of the Kingdom, on its sides initials I--B-, at the crown date 18-25, in the rim legend:
1.GOLD POLISH./86 86/125 WITH GRZ-CZ-KOL-;