פורטוגל
מוצג עכשיו פורטוגל - בולי דואר (1853 - 2024) - 1 בולים.
1971
The 1st Portuguese-Spanish-American Congress for Economic Geology
24. ספטמבר WM: אף לא אחד עיצוב: Serviços Artísticos dos CTT חריטה: Casa da Moeda נקוב: 12
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, סוג OR]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OR-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, סוג OS]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OS-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, סוג OT]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OT-s.jpg)
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, סוג OU]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/OU-s.jpg)
