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
Tadeusz Kościuszko on the horseback right.
TADEUSZ KOŚCIUSZKO
Remarks
Struck by private mint of Jan Krajewski, Fullerton, USA