Technological sample made in the right metal - cupro-nickel - for the circulating issue of coins with Kosciuszko.
Variety with the initials of the designers under the ornaments (K. Zielinski and E. John).
Very rare.
Minted in an edition of 10 pieces (according to the State Mint).
Gently rubbed in the background, otherwise without remarks. Beautiful.
Ex. 15 Marciniak auction.
Copperplate, diameter 30.9 mm, weight 12.65 g.
