Poland
People's Republic of Poland (1952-1989)
Av: Obverse and reverse of crown half-penny, between WLADISLAVS REX POL 1386-1434, below PTAiN77 SER KRÓL NR 6, Rw: Standing king, around scenes from the reign, above coats of arms of Poland and Lithuania, designed by Witold Korski
Silver-plated and oxidized tombak, 69.7 mm, 123.66 g, mintage 1,700 pieces