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Stamp Collecting: Rare stamps and covers
State-Journal.com The one-cent magenta stamp of British Guinana is the rarest stamp in the world since there is only one in existence. … A brief history of stamp collecting |
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Japan to introduce forgery-proof revenue stamps – NHK WORLD
Japan to introduce forgery-proof revenue stampsNHK WORLDJapan's National Tax Agency will introduce anti-counterfeit revenue stamps …