Portugal
Now showing: Portugal - Postage stamps (1853 - 2024) - 1 stamps.
2014
International Year of Crystallography
21. July WM: None Sheetsize: 1 Design: Pedro Antunes. Engraving: Imprensa Nacional Casa da Moeda. Perforation: 12
![[International Year of Crystallography, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Portugal/Postage-stamps/3958-b.jpg)
