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Date: 2014-08-14 14:21:47 | GRADING U.S. STAMPS In late 2001, Professional Stamp Experts presented to the philatelic community a grading system for United States Postage Stamps. For the first time, all attributes of a stamp – centering, soundnessAdd to Reading ListSource URL: www.gradingmatters.comDownload Document from Source WebsiteFile Size: 2,46 MBShare Document on Facebook |