State Emblem of Republic of Poland - crowned eagle with head turned left and outstretched wings, flanked by year 19-90. Mintmark under talons.
Around RZECZPOSPOLITA POLSKA, below Zl 500000 Zl
Description reverse
Bust of Józef Pilsudski in military uniform facing 3/4 left. Designer's initials on the right arm
MARSZAlEK PIlSUDSKI.
Remarks
Struck by private mint of Jan Krajewski, Fullerton, USA