Viser nå: Portugisisk-Guinea - Postfrimerker (1880 - 1973) - 1 frimerker.
1952
International Congress on Tropical Medicine and Malariology, Lisbon
June VM: Ingen Perforering: 13¼
![[International Congress on Tropical Medicine and Malariology, Lisbon, type BD]](https://www.stampworld.com/media/catalogue/Portuguese-Guinea/Postage-stamps/BD-s.jpg)
