Portugal
Viser nå: Portugal - Postfrimerker (1853 - 2024) - 1 frimerker.
2014
International Year of Crystallography
21. July VM: Ingen Arkstørrelse: 1 Design: Pedro Antunes. Gravering: Imprensa Nacional Casa da Moeda. Perforering: 12
![[International Year of Crystallography, type ]](https://www.stampworld.com/media/catalogue/Portugal/Postage-stamps/3958-b.jpg)
