Mongoolia
Praegu kuvatakse: Mongoolia - postmargid (1924 - 2024) - 1 margid.
1981
The 18th Mongolian Revolutionary People's Party Congress
5. mai WM: mitte ükski perforatsioon: 12
![[The 18th Mongolian Revolutionary People's Party Congress, Tüüp ZXP]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/ZXP-s.jpg)
