The 50th Anniversary of the International Chemistry Olympiad 2018
Now showing: Slovakia - Postage stamps - 2018 - The 50th Anniversary of the International Chemistry Olympiad - 1 stamps.
2018
The 50th Anniversary of the International Chemistry Olympiad
15. June WM: None Sheetsize: 50 Design: Robert Jančovič Perforation: 11½
![[The 50th Anniversary of the International Chemistry Olympiad, type ABN]](https://www.stampworld.com/media/catalogue/Slovakia/Postage-stamps/ABN-s.jpg)
