Azerbaijan
Now showing: Azerbaijan - Postage stamps (1919 - 2024) - 1 stamps.
2019
The 31st International Olympiad in Informatics - Baku, Azerbaijan
10. August WM: None Perforation: 13½ x 13
![[The 31st International Olympiad in Informatics - Baku, Azerbaijan, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Azerbaijan/Postage-stamps/1435-b.jpg)