Very rare technological sample 100-zloty coin designed by Stanislawa Wątróbska-Frindt (monogram SW over the king's shoulder).
Mintage of only 20 pieces.
Beautiful state of preservation.
Variety minted with a stamp compatible with nickel trials.
The first time of the company's history. Also no listing in the Onebid database.
Copperplate, diameter 29.5 mm, weight 10.75 g.