Catapult Mail: Mail sent by airplane launched from a ship while still at sea.  July 22, 1929, the first catapult mail flight from the S/S Bremen to New York took place, approximately 500 km off the coast. The card features the following three flight markings: the red box cachet of the flight, the oval Katapultflug cachet in black, and the handstamp indicating the number 1539. it is correctly franked with German Eagle Airmail stamps 10Pf, 15Pf, and 50Pf, (Sc. 28, 29, and 31) all tied with Hanover cds.