NEW YORK - On the centennial anniversary of the annual American Stamp Dealers' Association, hundreds of philatelists - people who study and collect stamps--flocked to a hotel hall in midtown Manhattan ...

If someone you didn't know asked you to hold items valued at over a million dollars, would you do it? That's kind of at the bottom of a documentary by Joe Saunders and Alexander Greer, The Penny Black ...

Many collectors today wonder if postage stamps are good investments. While some rare and historical stamps have increased in value over the years, the market can be very unpredictable. Factors like ...