Poland Medal 1891 on the occasion of the 100th anniversary of the adoption of the Constitution; of May 3 1891 Krakow. Obverse: Coat of Arms of the Polish-Lithuanian Commonwealth. Reverse: May 3 1791 / May 3 1891; along the edge LET GENERATIONS PUT A MEMORIAL OF THIS DAY. Bronze. Strzalkowski - Medallic commemorations of the anniversaries of the adoption of the Constitution p. 11. Weight approx: 7.33 g. Diameter: 27 mm.