Registered cover franked with 1lep.in strip of 3, 2X5lep. 10lep. and 20lep. (total 45) cancelled "ΗΡΑΚΛΕΙΟΝ 17 ΜΑΡΤ.1904", arrival by Austrian post office "CONSTANTINOPEL O.P 4.4.04". The mail is throw Foreign post offices because the Ottoman empire did not recognize the Cretan post office (Hellas 1/3, 21)