Mongoolia
Praegu kuvatakse: Mongoolia - postmargid (1924 - 2024) - 1 margid.
1972
The 30th Anniversary of Mongolian State University
25. september WM: mitte ükski perforatsioon: 12
![[The 30th Anniversary of Mongolian State University, Tüüp YY]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/YY-s.jpg)
![[The 30th Anniversary of Mongolian State University, Tüüp YZ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/YZ-s.jpg)
