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National Air Mail Week Covers of IndianaNewberry, Indiana (Greene County), IN992%u2014May 21,1938.No Backstamp. No Cachet.Addressee, Paul R. Younts, was the National Chairman of National Air Mail Week.Leavenworth, Indiana (Crawford County), IN797%u2014May 17,1938.No Backstamp. No Cachet.Addressee, Paul R. Younts, was the National Chairman of National Air Mail Week.
