Poland, PRL (1952-1989). Medal 1985, 60th Anniversary of Professor Ryszard Kiersnowski's Birthday, MMP 214/85, Paszkowycz 21/85, designed by E. Gorol, issuer: Polish Archaeological and Numismatic Society, Numismatic Commission, Warsaw, mintage 300 pcs, Silver plated Bronze 70 mm, weight 119,2 g., Condition UNC, error on reverse side CRACOVIERSESS
