Guinea Bissau
Now showing: Guinea Bissau - Postage stamps (1974 - 2018) - 1 stamps.
1990
International Stamp Exhibition "LUBRAPEX '90" - Brasilia, Brazil
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)