Muri Bhalissa: Sao Tome u Principe - Bolol tal-posta (1970 - 1979) - 1 bolol.
1973
The 100th Anniversary of International Meteorological Organization or WMO-IMO
15. December WM: Xejn Perforazzjoni: 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)
