Viser nå: Sao Tome og Principe - Postfrimerker (1950 - 1959) - 2 frimerker.
1958
World's Fair - Brussels, Belgium
15. July VM: Ingen Perforering: 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 Perforering: 13
![[The 6th Congress on Tropical Medicine, type CA]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/CA-s.jpg)
