Polen
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1979
The 13th National Philatelic Exhibition in Katowice, commemorating the 35th Anniversary of the Polish People's Republic
21. Juli Wz: Keine Bogengröße: 50 Design: J. Brodowski Zähnung: 11½:11
![[The 13th National Philatelic Exhibition in Katowice, commemorating the 35th Anniversary of the Polish People's Republic, Typ ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Poland/Postage-stamps/2641-b.jpg)
