Mongolia (side 88/88)
Viser nå: Mongolia - Postfrimerker (1924 - 2024) - 4360 frimerker.
24. December VM: Ingen Perforering: 13
28. December VM: Ingen Perforering: 13
8. January VM: Ingen Perforering: 13
31. January VM: Ingen Perforering: 13
27. March VM: Ingen Perforering: 11½ x 12