Poland, PRL (1952-1989), Chelm. Medal 1981, XII SD Congress, Constitution of May 3, 1791, MMP 82/515, Paszkowycz 75/81, designed by Anna Jarnuszkiewicz, mintage 1100 pcs, Silver-plated and oxidized Bronze 70 mm, weight 143,50 g., Condition aUNC, beautiful patina