Mongoolia
Praegu kuvatakse: Mongoolia - postmargid (1924 - 2024) - 1 margid.
1976
Airmail - The 30th Anniversary of United Nations Educational, Scientific and Cultural Organization
30. märts WM: mitte ükski perforatsioon: 12
![[Airmail - The 30th Anniversary of United Nations Educational, Scientific and Cultural Organization, Tüüp ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/0988-b.jpg)
