State Emblem of Republic of Poland - crowned eagle with head turned left and outstretched wings, flanked by year 20-05. Mintmark under talons. RZECZPOSPOLITA POLSKA Zl 100 Zl.
Description reverse
Bust of the King Stanislas August Poniatowski, seen from the back, facing right. The Royal monogram to the right.
STANISlAW AUGUST PONIATOWSKI 1764-1795 around.