Viser nå: Sudan - Postfrimerker (1990 - 1999) - 13 frimerker.
22. January VM: Ingen Perforering: 13½
1. June VM: Ingen Perforering: 13½ x 13¼
15. October VM: Ingen Perforering: 13½ x 13¼
1. November VM: Ingen Perforering: 13¼ x 13½
VM: 7 Perforering: 14