Portugalia
Prezentat acum: Portugalia - Timbre poştale (1853 - 2024) - 1 timbre.
2018
International Physics Olympiad - Lisbon, Portugal
21. Iulie WM: Niciunul Marimea foii: 50 Design: João Machado & Victor Hugo Gravură: Imprensa Nacional Casa da Moeda. Perforare: 12¼ x 12
![[International Physics Olympiad - Lisbon, Portugal, Tip EKO]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/EKO-s.jpg)
![[International Physics Olympiad - Lisbon, Portugal, Tip EKP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/EKP-s.jpg)
