150,000 first covers for PMG. Washington, , June 15. Postmaster General James A. Farley inspecting a few of the 150,000 first flight covers mailed him during national Airmail week, May 15, 21. Airmail flights form many of the postoffices in the country were a feature of the airmail week celebration, 6/15/38

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Photo credit: © Alpha Stock / Alamy / Afripics
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