1972
Portuguese Guinea
Now showing: Portuguese Guinea - Postage stamps (1880 - 1973) - 1 stamps.
1973
The 100th Anniversary of World Meteorological Organization
15. December WM: None Engraving: Lito Maia Perforation: 13
![[The 100th Anniversary of World Meteorological Organization, type DQ]](https://www.stampworld.com/media/catalogue/Portuguese-Guinea/Postage-stamps/DQ-s.jpg)