Azerbajdzjan
Visar nu: Azerbajdzjan - Postfrimärken (1919 - 2024) - 1 frimärken.
2019
The 31st International Olympiad in Informatics - Baku, Azerbaijan
10. augusti WM: Inga Perforering: 13½ x 13
![[The 31st International Olympiad in Informatics - Baku, Azerbaijan, Typ ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Azerbaijan/Postage-stamps/1435-b.jpg)
