An American Postmaster stamp vending machine by Dillon Manufacturing; image credit on full record.
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Vending Machine; US Postage Stamp, American Postmaster, 25 & 10 Cent Slots.
An American Postmaster U.S. Postage Stamp vending machine with 25 and 10 cent coin slots. Made by the Dillon Manufacturing Company of Washington D.C.,... [more detail available via subscription]