330-PS-6179-1:  First Automatic Stamp Vending Machine at the Pentagon, 1953.  The machine was manufactured by the Johnson-Fare Box Company of Chicago, Illinois, and is built into the counter of the Post Office.  Its top is flush into the counter, September 22, 1953.    Note, female service members from all branches of the military standing in line to buy stamps.   (4/21/2015).
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