Rāda: Portugāles Gvineja - Pastmarkas (1950 - 1959) - 1 marka.
1952
International Congress on Tropical Medicine and Malariology, Lisbon
jūnijs SV: Neviens Perforēšana: 13¼
![[International Congress on Tropical Medicine and Malariology, Lisbon, veids BD]](https://www.stampworld.com/media/catalogue/Portuguese-Guinea/Postage-stamps/BD-s.jpg)
