Portugal
Visar nu: Portugal - Postfrimärken (1853 - 2024) - 1 frimärken.
2018
International Physics Olympiad - Lisbon, Portugal
21. juli WM: Inga storlek på arket: 50 Design: João Machado & Victor Hugo Gravyr: Imprensa Nacional Casa da Moeda. Perforering: 12¼ x 12
![[International Physics Olympiad - Lisbon, Portugal, Typ EKO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/EKO-s.jpg)
![[International Physics Olympiad - Lisbon, Portugal, Typ EKP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/EKP-s.jpg)
