Medal issued by the Polish Archaeological and Numismatic Society, Warsaw branch in 1986.
Designed by Bohdan Chmielewski, signed BCH on the reverse.
Mintage 2.500 pieces.
Obverse: bust of Józef Piłsudski, left profile, side view PTAiN 1986
HEAD OF THE POLISH STATE
Reverse: the crowned Eagle of the Republic of Poland against the background of the lying eagles of the occupying powers, below the date 1918, at the edge the signature BCH
Silver plated and oxidized tombac, diameter 40 mm, weight 31.18 g