Portogallo
Ora in esposizione: Portogallo - Francobolli postali (1853 - 2024) - 1 francobolli.
1971
The 1st Portuguese-Spanish-American Congress for Economic Geology
24. Settembre WM: Nessuno Disegno: Serviços Artísticos dos CTT Incisione: Casa da Moeda Dentellatura: 12
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Scrivi OR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OR-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Scrivi OS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OS-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Scrivi OT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OT-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Scrivi OU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OU-s.jpg)
