The first of the very rare, technological attempts made in cupronickel. Coins appearing once every few, sometimes even a dozen years.
Sample 10-gold coin minted on the 20th anniversary of the death of Karol Swierczewski.
Variety with a plain rim, a figure without a cap and a small eagle.
Mintage of 22 (for NBP) or 30 (for MW) pieces.
Mint condition, only with local soiling. Mechanically unreserved.
Copper-nickel, diameter 28 mm, weight 9.46 g.