Guinea-Bissau
Praegu kuvatakse: Guinea-Bissau - postmargid (1974 - 2018) - 1 margid.
1978
Airmail - The 100th Anniversary of the Death of Rowland Hill, 1795-1879
15. detsember WM: mitte ükski perforatsioon: 13½
![[Airmail - The 100th Anniversary of the Death of Rowland Hill, 1795-1879, Tüüp ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Guinea-Bissau/Postage-stamps/0178-b.jpg)
