Brandenburg-Preussen (Prussia). Friedrich Wilhelm, the great elector, 1640-1688. Ort (18 Gröscher) 1683, HS (Heinrich Sievertz), Königsberg, Schrötter 1674, Dost 991, silver 29 mm, weight 6,34 g., conditiot aXF, glossy specimen with nice relief details, grey patina
A coin closely associated with Poland circulating on a par with Sobieski's coins especially in the eastern part Poland.