Now showing: Guinea Bissau - Postage stamps (1990 - 1999) - 11 stamps.
27. January WM: None Perforation: 13¼
![[Francesco Francia, type ZZ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/ZZ-s.jpg)
![[Francesco Francia, type AAA]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAA-s.jpg)
27. January WM: None Perforation: 13¼
![[Papal Visit, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/0775-b.jpg)
1. June WM: None Perforation: 14¼
![[International Stamp Exhibition "BELGICA '90" - Brussels, Belgium, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/0776-b.jpg)
21. September WM: None Perforation: 14
![[International Stamp Exhibition "LUBRAPEX '90" - Brasilia, Brazil, type AAD]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAD-s.jpg)
![[International Stamp Exhibition "LUBRAPEX '90" - Brasilia, Brazil, type AAE]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAE-s.jpg)
![[International Stamp Exhibition "LUBRAPEX '90" - Brasilia, Brazil, type AAF]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAF-s.jpg)
21. September WM: None Perforation: 14
![[International Stamp Exhibition "LUBRAPEX '90" - Brasilia, Brazil, type ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/0780-b.jpg)
1. October WM: None Perforation: 13
![[World Meteorology Day, type AAH]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAH-s.jpg)
![[World Meteorology Day, type AAI]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAI-s.jpg)
8. November WM: None Perforation: 14
![[The 40th Anniversary of U.N. Development Program, type AAJ]](https://www.stampworld.com/media/catalogue/Guinea-Bissau/Postage-stamps/AAJ-s.jpg)
