5m on 1p ultramarine 'Camel Postman' postal stationery envelope (H&G B7) used with added 1902 5m scarlet & black (SG 23) tied by WAD MEDANI cds dated 15 MAY 1917 with boxed 'SUDAN R No.260' marking alongside. Addressed to ATBARA with KHARTOUM - EL OBEID T.P.O. No.1 cds and HALFA - KHARTOUM T.P.O. No.2 both on reverse with ATBARA arrival cds. A scarce envelope in used condition and a nice double TPO.