Mongoolia
Praegu kuvatakse: Mongoolia - postmargid (1924 - 2024) - 1 margid.
1961
The 5th World Federation of Trade Unions Congress, Moscow
4. detsember WM: mitte ükski perforatsioon: 11½
![[The 5th World Federation of Trade Unions Congress, Moscow, Tüüp IG]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/IG-s.jpg)
![[The 5th World Federation of Trade Unions Congress, Moscow, Tüüp IH]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/IH-s.jpg)
