Helderse Postzegelhandel : Stamps for sale - Portugal
Now showing: Portugal - Postage stamps (1853 - 2024) - 1 stamps.
1971
The 1st Portuguese-Spanish-American Congress for Economic Geology
24. September WM: None Design: Serviços Artísticos dos CTT Engraving: Casa da Moeda Perforation: 12
![[The 1st Portuguese-Spanish-American Congress for Economic Geology, type OU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/OU-s.jpg)
