Beware of Fournier Facsimiles: How Fake Stamps Flooded the Collecting World
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Identifying 1920s United States Definitive Stamps: A Collector's Guide to the Fourth Bureau Issue
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Rare stamps & postal history masterpieces | The David Holl Collection
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World's Most Valuable Stamp at Auction, feat. CwP #philately
32:44
El huérfano - En busca de un hogar
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Stamp Collecting Basics - Tips for Buying Postage Stamps Online
50:19
¿El ordenador más estropeado? El Sinclair Spectrum+2 de 1986
58:58
Stamp Chat - Canal Zone Overprints on Stamps of Panama and the United States
13:08