Mongolia
Now showing: Mongolia - Postage stamps (1924 - 2024) - 1 stamps.
1978
Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic
5. September WM: None Sheetsize: 1 Perforation: 12
![[Airmail - International Stamp Exhibition "PRAGA '78" - Prague, Czech Republic, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/1171-b.jpg)