Poland, PRL (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, Branch in Koszalin, mintage 1412 pcs (reissued in 1986 , 1987, 1988), Bronze 70 mm, weight 138,3 g., Condition aUNC