Germany – Turkey: 1924 (4 July). 15pf Airmail Postal Stationery card uprated with 5pf and 20pf of 1924 airmail stamps to Constantinople, Turkey tied by Berlin datestamps and 7 July Stamboul arrival cds. By manuscript ‘ Mit Flug Berlin – Dessau – Konstantinopel’ first flight notation. Reverse a message in English ‘Greetings by the first experimental post – flight Berlin – Dessau – Constantinople 5.VII.1924’. Sg. 358, 360
