Belgien
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1964
The 100th anniversary of the International Socialistic Union
18. Juli Wz: Keine Bogengröße: 30 Design: Luc Verstraete. Zähnung: 11½
![[The 100th anniversary of the International Socialistic Union, Typ ADH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Belgium/Postage-stamps/ADH-s.jpg)
![[The 100th anniversary of the International Socialistic Union, Typ ADI]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Belgium/Postage-stamps/ADI-s.jpg)
![[The 100th anniversary of the International Socialistic Union, Typ ADJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Belgium/Postage-stamps/ADJ-s.jpg)
