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American Philatelic Society (APS): www.stamps.org American Stamp Dealers Association (ASDA): www.asdaonline.com The Philatelic Traders' Society (PTS): www.philatelic-traders-society.co.uk The U.S. Philatelic Classics Society (USPCS): www.uspcs.org The American Stamp Club of Great Britain (ASCGB): www.virtualstampclub.com/apsascgb.html |
Your American dealer in Britain since 1995 |
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