Poland, People's Republic of Poland (1952-1989), Koszalin. Medal 1987, Boleslaw II the Bold 1058-1079, MMP 87/677, Paszkowycz 67/87, designed by E. Olszewska-Borys, issuer: Polish Archaeological and Numismatic Society, Koszalin, mintage 2269 pcs, Silver plated Bronze 70 mm, weight 147,1 g., Condition aUNC