40th anniversary of the third Silesian Uprising.
40 rocznica trzeciego powstania Śląskiego = The 40th anniversary of the third Silesian Uprising.
The third Silesian Uprising took place in 1921.
Find other Polish stamps commemorating the Silesian Uprisings
Third Silesian Uprising
Polish military awars and decorations
Fischer 1115-1116 FDC