Nord-Yemen
Viser nå: Nord-Yemen - Postfrimerker (1926 - 1990) - 2 frimerker.
1990
The 10th Anniversary of Arab Board for Medical Specializations 1989
15. April VM: Ingen Perforering: 13¼ x 13
1990
The 10th Anniversary of Arab Board for Medical Specializations 1989
15. April VM: Ingen Perforering: 12½