The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint 1976
Viser nu Guinea Bissau - Post frimærker - 1976 - The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint - 6 frimærker.
1976
The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint
8. juli VM: Ingen Perforeringer: 11
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type N2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/N2-s.jpg)
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type O2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/O2-s.jpg)
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type P2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/P2-s.jpg)
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type Q2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/Q2-s.jpg)
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type R2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/R2-s.jpg)
![[The 100th Anniversary of the Universal Postal Union (1974) - Red Overprint, type S3]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/S3-s.jpg)
