Viser nå: Nord-Yemen - Postfrimerker (1926 - 1990) - 18 frimerker.
30. September VM: Ingen Perforering: 14
14. October VM: Ingen Perforering: 14
10. November VM: Ingen Perforering: 13
10. November VM: Ingen Perforering: 13
9. December VM: Ingen Perforering: 13 x 13¼
9. December VM: Ingen Perforering: 13 x 13¼