Portugalia
Prezentat acum: Portugalia - Timbre poştale (1853 - 2024) - 1 timbre.
1971
The 1st Portuguese-Spanish-American Congress for Economic Geology
24. Septembrie WM: Niciunul Design: Serviços Artísticos dos CTT Gravură: Casa da Moeda Perforare: 12
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Tip OR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OR-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Tip OS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OS-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Tip OT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OT-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, Tip OU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OU-s.jpg)
