Poland, 2001, 1 Zl. 11 (1/2). multicoloured
Stanley Gibbons: 3960
Yvert et Tellier: 3705
A fragment of the painting "The battle of Grunwald" by Jan Matejko in the National Museum in Warsaw and a poster from the times of the Battle of Warsaw in 1920 entitled "Do broni" (to arms), property of the Jagiellonian library in Kraków.
Artists: Matejko Jan