The 100th Anniversary of the 1st International Mail Conference 1963
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1963
The 100th Anniversary of the 1st International Mail Conference
7. mei WM: Geen Ontwerp: Cândido da Costa Pinto Graveren: Casa da Moeda Perforatie: 12
![[The 100th Anniversary of the 1st International Mail Conference, type KI]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/KI-s.jpg)
![[The 100th Anniversary of the 1st International Mail Conference, type KI1]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/KI1-s.jpg)
![[The 100th Anniversary of the 1st International Mail Conference, type KI2]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/KI2-s.jpg)
