The 1st Congress on Tropical Medicine, Lisbon 1952
Wordt nu getoond: Sao Tomé And Principe - Postzegels - 1952 - The 1st Congress on Tropical Medicine, Lisbon - 1 postzegels.
Wordt nu getoond: Sao Tomé And Principe - Postzegels - 1952 - The 1st Congress on Tropical Medicine, Lisbon - 1 postzegels.
![[The 1st Congress on Tropical Medicine, Lisbon, type BO]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BO-s.jpg)
