The 25th Anniversary of the National Meterological Service 1971
Now showing: Portugal - Postage stamps - 1971 - The 25th Anniversary of the National Meterological Service - 3 stamps.
1971
The 25th Anniversary of the National Meterological Service
29. October WM: None Design: Luiz Chaves Engraving: Casa da Moeda Perforation: 13½
![[The 25th Anniversary of the National Meterological Service, type OY]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OY-s.jpg)
![[The 25th Anniversary of the National Meterological Service, type OZ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OZ-s.jpg)
![[The 25th Anniversary of the National Meterological Service, type PA]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/PA-s.jpg)
