Poland, People's Republic of Poland (1952-1989), Koszalin. Medal 1985, Mieszko I 963-992, Dobrawa 965-977, MMP 85/287, Paszkowycz 74/85, designed by E. Olszewska-Borys, issuer: Polish Tourist and Sightseeing Society, Koszalin Branch, mintage 1643 pcs (reissued in 1986, 1987, 1988), Silver plated Bronze 70 mm, weight 143,2 g., Condition aUNC