Issue on the occasion of the 100th anniversary of the Four-Year Sejm and the granting of rights to Polish cities.
Medal by Lauer, signed next to the date on the reverse.
Obverse: bust of Jan Dekert, below him W R. 1789.
JAN DEKERT PREZYDENT M. WARSZAWY
Reverse: crowned four-field coat of arms of Poland, below a small coat of arms, decorated with a plant wreath
W STULETNIA ROCZNICE NADANIA PRAWA MIASTOM POLSKIM 18 KWIETNIA R 1791
Diameter 50 mm, weight 49.46 g
