Watch List notes:

POLAND: 1 zloty (1.97g), ND (1989-1990), Y--, trial strike for the reverse (denomination side) of KM-49.3, struck in brass or light bronze, with central incuse circle and the letters MW (for Mennicy Warszawa) and MET (unknown) on the other side, some original luster, About Unc, RRR. We have found no information about this item, and can only presume that it should be extremely rare. The circulating type KM-49.3 was struck in aluminum.

Estimate: 150- 250 USD