Indian Expeditionary Forces with G.R. POST MAFIA: 3p - 1r., complete set with greenish-blue overprint tied by cds. "MAFIA 17 AU 16" to large format pre-printed registered cover to Nairobi with transit and arrival mark, 1r. almost imperceptible bend through left perforation, one vertical fold through cover not affecting the adhesives, a fine and very rare entire