Mongolja
Muri Bhalissa: Mongolja - Bolol tal-posta (1924 - 2024) - 1 bolol.
1976
Airmail - The 40th Anniversary of Mongolian Meteorological Office
20. March WM: Xejn Perforazzjoni: 12 x 11½
![[Airmail - The 40th Anniversary of Mongolian Meteorological Office, Tip AIV]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/AIV-s.jpg)
