This rare cover commemorates the inaugural flight of United States Airmail Service via Helicopter in 1948. The cover features a beautiful design with a postmark from the Los Angeles area. The item is of high quality and has been previously used, making it a valuable addition to any collector's collection. The cover has not been graded and is uncertified, but its historical significance cannot be denied. This is a must-have for any serious stamp or first flight cover collector.
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