Prezentat acum: São Tomé şi Príncipe - Timbre poştale (1869 - 2021) - 1 timbre.
1973
The 100th Anniversary of International Meteorological Organization or WMO-IMO
15. Decembrie WM: Niciunul Perforare: 13
![[The 100th Anniversary of International Meteorological Organization or WMO-IMO, Tip DN]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/DN-s.jpg)
