The 100th Anniversary of the Geographical Institution in Lisbon 1975
Now showing: Portugal - Postage stamps - 1975 - The 100th Anniversary of the Geographical Institution in Lisbon - 3 stamps.
1975
The 100th Anniversary of the Geographical Institution in Lisbon
19. November WM: None Sheetsize: 50 Design: Serviços Artísticos dos CTT Engraving: INCM Perforation: 12 x 12½
![[The 100th Anniversary of the Geographical Institution in Lisbon, type TZ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/TZ-s.jpg)
![[The 100th Anniversary of the Geographical Institution in Lisbon, type UA]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/UA-s.jpg)
![[The 100th Anniversary of the Geographical Institution in Lisbon, type UB]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/UB-s.jpg)
