Poland
People's Republic of Poland (1952-1989) - Warsaw Mint
designed by Stanislaw Sikora, Av: Head left, below JÓZEF MAKSYMILIAN OSSOLIŃSKI, Rw: Building, above it a tree, on the sides 1817 - 1967, around 150 YEARS OF THE NATIONAL UNIVERSITY OF IM. OSSOLINSKI
silver plated tombak, 69.5 mm, 121.61 g, mintage 500 pieces