Tjenestemærker
Sudan, Postfrisk -MNH
1959. SUDAN. OFFICIAL. 10 PT STACK LABORATORY overprinted S.G. in black, never hinged.
Michel Dienst 65b
Sudan, Postfrisk -MNH
1962. SUDAN. OFFICIAL. Country motives complete set OVERPRINTED with 14 stamps never hinged.
Michel Dienst 68-81
Sudan, Brev
1900. SUDAN. 5 MIL overprinted SOUDAN and with perfin S.G.
Michel Dienst 1
Sudan, Brev
1959. SUDAN. OFFICIAL 2 + 3 PT overprinted S.G. on official cover to Denmark cancelled KHARTOUM 24 FEB 1959. Unusual destination.
Michel Dienst 58-59