A very rare, technological sample made in cupronickel. A coin appearing once every few or sometimes even a dozen years.
Sample of a small 10-zloty coin with Tadeusz Kosciuszko (designed by Kazimierz Zieliński).
Mintage of up to 27 pieces.
Excellent state of preservation.
PRÓBA inscription convex, in front of the head. Serrated edge.
Copperplate, diameter 28 mm, weight 9.6 g.
