cover 1918 XU5 to France (8.5 arrival) bearing Hejaz 1916-17 roulettted 20 1/8pi. (small corner fault), ¼pi., 1pi. and 1917 rouletted 13 ½pi. and 2pi., cancelled by "YAMBO" c.d.s., showing "TRESOR ET POSTES/601" c.d.s. (18.4) in violet and double-ringed "MISSION B-DÉTACHEMENT DE YAMBO/le Chef de Détachement" cachet in violet contersigned by officer adjacent. Fine and attractive. Photo.