Sýni: Saó Tóme og Prinsípe - Venjuleg frímerki (1950 - 1959) - 2 frímerki.
1958
World's Fair - Brussels, Belgium
15. júlí WM: Ekkert Götun: 12 x 11½
![[World's Fair - Brussels, Belgium, tegund 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 WM: Ekkert Götun: 13
![[The 6th Congress on Tropical Medicine, tegund CA]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/CA-s.jpg)
