Mongolia
Viser nå: Mongolia - Postfrimerker (1924 - 2024) - 2 frimerker.
1981
International Decade for Women
10. December VM: Ingen Perforering: 11½ x 12¼
2011
International Stamp Exhibition PHILANIPPON '11 - Yokohama, Japan
28. July VM: Ingen Perforering: 11½ x 12¾