Now showing: Guinea Bissau - Postage stamps (1990 - 1999) - 6 stamps.
10. May WM: None Perforation: 14
![[Canoes, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/0834-b.jpg)
11. September WM: None Perforation: 12 x 11¾
![[Forest Preservation, type ACN]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/ACN-s.jpg)
![[Forest Preservation, type ACO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/ACO-s.jpg)
![[Forest Preservation, type ACP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/ACP-s.jpg)
![[Forest Preservation, type ACQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/ACQ-s.jpg)
18. September WM: None Perforation: 12
![[International Stamp Exhibition "GENOVA '92" - Genoa, Italy and 500th Anniversary of the Discovery of America, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/0846-b.jpg)
Now showing: Guinea Bissau - Postage stamps (1990 - 1999) - 6 stamps.
10. May WM: None Perforation: 14
11. September WM: None Perforation: 12 x 11¾
18. September WM: None Perforation: 12