20 Zlotys People's Republic, Trial Strike

Poland's 1974 coinage program coincided with the Gierek government's aggressive borrowing from Western creditors — a policy that briefly flooded the domestic economy with consumer goods before collapsing into the debt crisis of the late 1970s. Trial strikes from this period were produced by the Warsaw Mint as internal approval pieces, circulated among monetary authorities before production authorization, and were never released to the public. Most survived only because mint employees or officials retained them informally.

The Fischer and ParM references both log this piece, with minor classification differences suggesting at least two distinct archival sources for known examples.