Τώρα εμφανίζεται Γουινέα Μπισάου - Γραμματόσημα (1974 - 1979) - 11 Γραμματόσημα.
WM: Κανένα Διάτρηση: 13¼
![[Portuguese Guinea Postage Stamp Overprinted "REP. DA BISSAU", τύπος B]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/B-s.jpg)
WM: Κανένα Διάτρηση: 11
![[The 2nd Anniversary of Proclamation of Republic, τύπος C]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/C-s.jpg)
![[The 2nd Anniversary of Proclamation of Republic, τύπος C1]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/C1-s.jpg)
![[The 2nd Anniversary of Proclamation of Republic, τύπος C2]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/C2-s.jpg)
![[The 2nd Anniversary of Proclamation of Republic, τύπος C3]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/C3-s.jpg)
12. Σεπτέμβριος WM: Κανένα Διάτρηση: 14
![[The 2nd Anniversary of the Death of Amilcar Cabral, 1924-1973, τύπος D]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/D-s.jpg)
![[The 2nd Anniversary of the Death of Amilcar Cabral, 1924-1973, τύπος D1]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/D1-s.jpg)
19. Σεπτέμβριος WM: Κανένα Διάτρηση: 14
![[The 19th Anniversary of P.A.I.G.C., τύπος E]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/E-s.jpg)
![[The 19th Anniversary of P.A.I.G.C., τύπος E1]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/E1-s.jpg)
24. Σεπτέμβριος WM: Κανένα Διάτρηση: 14
![[The 2nd Anniversary of Proclamation of Republic, τύπος F]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/F-s.jpg)
![[The 2nd Anniversary of Proclamation of Republic, τύπος F1]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/F1-s.jpg)