Guinea Bissau
Now showing: Guinea Bissau - Postage stamps (1974 - 2018) - 1 stamps.
1989
International Stamp Exhibition "BRASILIANA '89" - Rio de Janeiro, Brazil
13. July WM: None Perforation: 12½
![[International Stamp Exhibition "BRASILIANA '89" - Rio de Janeiro, Brazil, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/0726-b.jpg)