![Technology / Environmental design / Arthur Summerfield / United States Postal Service / Letter box / RAL / Design / Pillar box / Red telephone box / Street furniture / Postal system / Post box Technology / Environmental design / Arthur Summerfield / United States Postal Service / Letter box / RAL / Design / Pillar box / Red telephone box / Street furniture / Postal system / Post box](/pdf-icon.png) Date: 2011-04-28 12:48:56Technology Environmental design Arthur Summerfield United States Postal Service Letter box RAL Design Pillar box Red telephone box Street furniture Postal system Post box | | Collection Box Colors Street letter boxes have been painted a number of different colors by the Postal Service over the years, but their exact colors for the decades after their introduction in the 1850s is unknown. TheAdd to Reading ListSource URL: es-about.usps.comDownload Document from Source Website File Size: 35,86 KBShare Document on Facebook
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