Sedaj prikazano: Portugalska - Poštne znamke (1970 - 1979) - 4 znamke.
1970
Opening of the Oil Refinery in Porto
5. junij WM: Nič Oblika: Antonio Lino Gravura: Casa da Moeda Perforacija: 13½
![[Opening of the Oil Refinery in Porto, tip NJ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/NJ-s.jpg)
![[Opening of the Oil Refinery in Porto, tip NK]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/NK-s.jpg)
![[Opening of the Oil Refinery in Porto, tip NJ1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/NJ1-s.jpg)
![[Opening of the Oil Refinery in Porto, tip NK1]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/NK1-s.jpg)
