cover 1903 (16 Mar.) 5m. stationery envelope from El-Obeid, addressed in arabic to Khartoum?, showing large part bi-lingual "DEAD LETTER TO BE/RETURNED TO SENDER. SUDAN" d.s. in violet and, on reverse, framed "UNCLAIMED"; some light discolouration. Also 1903 5m envelope9 part torn away) from Khartoum, showing manuscript "Unreadable" with bi-lingual "NON RECLAMÉ" and D.L.O. framed d.s. on reverse