6c Eagle Airmail Small Die Proof, 1938, © United States Postal Service |
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Above: 6c Eagle Airmail Sketch by FDR, 1938
The red and blue bicolor stamp featuring the American eagle was based on a design FDR sketched to help distinguish airmail letters from regular mail. The first day of issue coincided with National Air Mail Week, a nationwide campaign to promote the use of airmail. Left: 6c Eagle Airmail Small Die Proof, 1938. © United States Postal Service
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