Now showing: Sao Tome And Principe - Postage stamps (1869 - 2021) - 1 stamps.
1973
The 100th Anniversary of International Meteorological Organization or WMO-IMO
15. December WM: None Perforation: 13
![[The 100th Anniversary of International Meteorological Organization or WMO-IMO, type DN]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/DN-s.jpg)
