Cover franked with 1927 10m carmine & black 'Small Camel' issue (SG 42) tied by fine AROMA cds. Addressed to UK with good strike of HALYA - KASSALA T.P.O. and SHELLAL - HALFA T.P.O. No.2 cds's on reverse. This is the earliest know cover from this office and both the AROMA and HALYA-KASSALA T.P.O. cds's are illustrated in 'The Postal History of Sudan' by E. B. Proud. Rare cover.