Poland
People's Republic of Poland (1952-1989)
Av: Obverse of the crown sixpence of 1685, around the monogram of the king, coats of arms of Poland, Lithuania and Janina and 1674 - 1696, Rw: King in armor on horseback, at the top an Eagle with the coat of arms of Janina on the chest, at the bottom trophies and inscription VINDOBONA 1683, VENI VIDI - DEVS VINCIT, PTAiN - 81 - SER - KING - NR - 17, medal designed by Vytautas Korski.
silver, 71.2 mm, 142.81 g, mintage 100 pieces