A beautiful piece of one of the rarest copper-nickel specimens.
Delicate background blemishes.
Patina.
Coin struck with stamps described by Parchimowicz under the number P255.b, but on a disc of clearly higher weight.
Mintage according to the Mint 24 copies, according to the NBP 200 copies.
Copper, diameter 31 mm, weight 13.13 g.