International Year of Crystallography 2014
Now showing: Slovakia - Postage stamps - 2014 - International Year of Crystallography - 1 stamps.
2014
International Year of Crystallography
14. February WM: None Sheetsize: 30 Design: Igor Benca Perforation: 11½
![[International Year of Crystallography, type XL]](https://www.stampworld.com/media/catalogue/Slovakia/Postage-stamps/XL-s.jpg)
