Poland
People's Republic of Poland (1952-1989)
Av: Bust of Jan Sobieski, IOANNES III SOBIESKI - REX POLONIÆ, Rw: Scene of the Battle of Vienna, with Vienna in the background, 300 YEARS OF CONVERSION UNDER VIEDNA - 1683 - 1983.
tombak, 69.9 mm, 114.10 g, mintage 1,400 pieces (with reissue)