The 100th Anniversary of the 1st International Mail Conference 1963
Now showing: Portugal - Postage stamps - 1963 - The 100th Anniversary of the 1st International Mail Conference - 3 stamps.
1963
The 100th Anniversary of the 1st International Mail Conference
7. May WM: None Design: Cândido da Costa Pinto Engraving: Casa da Moeda Perforation: 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)
