1928 (14 Aug) Cover catapult mail from Kansas City (USA) to Paris (France) on the ship "Ile de France", franked with two 5c airmail stamps and a $1(USA), canceled by the Kansas City airmail postmark. From Kansas, sent by airmail to New York (transit postmark on August 15, 1928) on board the ship "Ile de France" (Printed text on the front "VIA S.S. ILE de FRANCE and Airplane ship to Shore"), with subsequent dispatch by catapult mail

On August 23,1928, it was sent by catapult mail to the port of Le Havre. (On this day, the first experimental launch of catapult mail from the USA to Europe took place from the ship «Ile de France».) Arrived in Paris on August 23, 1928 railway postmark at Paris, Gare du Nord station. Аnd delivered to the address via the courier service of the US Embassy, cached on the back of the envelope: "Service des Courriers", "Ambassade des Etats-Unis" August 23,1928. Extremely rare, sent on the first experimental launch of catapult mail from the USA to Europe from the ship Ile de France