Mongoolia
Praegu kuvatakse: Mongoolia - postmargid (1924 - 2024) - 1 margid.
1979
The 100th Anniversary of the Death of Sir Rowland Hill - International Stamp Exhibition "PHILASERDICA '79" - Sofia, Bulgaria
15. mai WM: mitte ükski perforatsioon: 12
![[The 100th Anniversary of the Death of Sir Rowland Hill - International Stamp Exhibition "PHILASERDICA '79" - Sofia, Bulgaria, Tüüp ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Mongolia/Postage-stamps/1231-b.jpg)
