US First Flight Cover National Air Transport New York 1927 US Scott 644.

This US First Flight Cover commemorates the National Air Transport's inaugural flight from New York in 1927. The cover bears a 2 Cent stamp of US Scott 644 and was cancelled with a Duplex cancellation. It is a used cover and features multi-color design with an aviation theme. The cover is ungraded and uncertified, but its historical significance as a First Flight event cover makes it a valuable addition to any stamp collection. The cover was produced in the United States, making it a unique piece of American history.