Cover fr. with 20pa 1884 Empire Ottoman stamp canc. double ring in old Turkish "MIDILLI CARSISI" (METELIN MARCHE/NG1) and bilingual "METELIN TURQUIE*5.AOUT.1884" (NG2), via "SMYRNE TURQUIE*6.AOU.84" to Chios. Flap is miising, letter included.