US First Flight Cover Denver Colorado Airport by Airmail to New York USA 1929.

This is a US First Flight Cover from Denver Colorado Airport to New York, USA in 1929. The cover features a 5 cent stamp and a duplex cancellation type. The cover is in used condition and is ungraded and uncertified. The cover has a multi-color design and showcases the topic of aviation and the event of the first flight. The cover is a great addition to any stamp collection and is a unique piece of history.