POLAND, Polska Rzeczpospolita Ludowa (People's Republic of Poland). 1952-1989. 1000 Zloty 1984 (Silver, 32 mm, 16.50 g, 12 h), Essay. SRODOWISKA OCHRONA / PRÓBA Swan swimming left. Rev. POLSKA RZECZPOSPOLITA LUDOWA Eagle with spread wings between 19-84. KM Pr509. Proof.
From the old inventory of a Swiss coin dealer based in Central Switzerland.