The 900th anniversary of the first King of Poland was in 1925. To celebrate the occasion, a Gold 20 Zlotych was issued.
Mintage of only 27,240 coins!
AGW= 0.1967 of an ounce. This coin is a one year type. Depicts the left facing bust of King Boleslaw I. Obverse depicts the national arms. Listed in Krause as Y#33.