OBJECT SHOWCASE: Experimental
Flight Mail
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| On July 6, 1939, the postal service placed an autogiro aircraft into use flying mail between the Central Airport at Camden, New Jersey to the roof of the Philadelphia, Pennsylvania post office. On the first day of service, 52,128 first flight covers were cancelled and carried on the flight for philatelists, many of whom paid double the 6-cent stamp price to cover postage for a round trip. |
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