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"Mar. 24 - The British Guiana One-Cent Magenta is certified by the Royal Philatelic Society London ahead of its auction by Sotheby&amp;#039;s in New York in June where it is expected to sell for $10-20 million (USD). Elly Park reports."^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2014/03/24/legendary-stamp-certified-ahead-of-proje?videoId=298679165>