Poland, PRL (1952-1989). Medal 1984, Karol Beyer, Founder of the Warsaw Numismatic Society, MMP 84/176, Paszkowycz 106/84, designed by S. Wątróbska - Frindt, issuer: Polish Archaeological and Numismatic Society, Warsaw, mintage 750 pcs, Silver plated Bronze 70 mm, weight 115,4 g., Condition UNC