Text from original exhibit label: "During World War I, airmen called the de Havilland DH-4 aircraft 'Flying Coffins.' In the years after, Boeing and Fokker upgraded the planes to make them safer, stronger and more reliable for military and airmail service. Airmail envelope, 1927."Creation Date1927-02SubjectAir mail serviceOriginal FormatenvelopesBibliographic CitationThe Boeing Story Exhibit Collection/The Museum of FlightRightsCopyright undetermined
[Air mail envelope], [2022-00-00-17_text_008]. Museum of Flight Digital Collections, accessed 06/12/2025, https://digitalcollections.museumofflight.org/nodes/view/23282
![[Air mail envelope]](/img/placeholder.gif?1761251355 "[Air mail envelope]")