Technological attempt in a cupronickel of an unrealized circulated version of the ten with Henryk Sienkiewicz.
A coin of Stanisława Wątróbska-Frindt's design, which, despite reaching the trial minting stage, lost out to designs with Mickiewicz and Prus, which went into circulation a year later.
Minted variety in hard alloy (trial inscription differently arranged than on nickel trials).
Very rare.
Mintage of only 20 pieces.
Copper-nickel, diameter 25 mm, weight 7.52 g.
Mint with minor tarnish. Mechanically unqualified.
Copper-nickel, diameter 25 mm, weight 7.52 g