Rare coin. Nice, natural patina. Traces of mint luster on reverse in protected areas. Highly recommended!
Av: Head of the tsar to the right.
Circumscription: ALEXANDER I CESARZ SA•W•ROS KRÓL POLSKI
Rv:Two-headed Russian eagle under the tsarist crown. On the breast, a shield with the Polish eagle. On the sides of the crown date 18-21, at the bottom initials I-B
Circumscription: 10. ZŁOTYCH POLSKICH. - Z SREBRA KRAIOWEGO•