Viser nu Sao Tome og Principe - Post frimærker (1950 - 1959) - 2 frimærker.
1958
World's Fair - Brussels, Belgium
15. juli VM: Ingen Perforeringer: 12 x 11½
![[World's Fair - Brussels, Belgium, type BZ]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/BZ-s.jpg)
1958
The 6th Congress on Tropical Medicine
25. september VM: Ingen Perforeringer: 13
![[The 6th Congress on Tropical Medicine, type CA]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/CA-s.jpg)
