Mongolia
Viser nå: Mongolia - Postfrimerker (1924 - 2024) - 1 frimerker.
1979
The 100th Anniversary of the Death of Sir Rowland Hill - International Stamp Exhibition "PHILASERDICA '79" - Sofia, Bulgaria
15. May VM: Ingen Perforering: 12
![[The 100th Anniversary of the Death of Sir Rowland Hill - International Stamp Exhibition "PHILASERDICA '79" - Sofia, Bulgaria, type ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/1231-b.jpg)
