Visar nu: Portugisiska Guinea - Postfrimärken (1880 - 1973) - 1 frimärken.
1952
International Congress on Tropical Medicine and Malariology, Lisbon
juni WM: Inga Perforering: 13¼
![[International Congress on Tropical Medicine and Malariology, Lisbon, Typ BD]](https://www.stampworld.com/media/catalogue/Portuguese-Guinea/Postage-stamps/BD-s.jpg)
