Known as the world’s most valuable and rare stamp, this unique piece was produced during a stamp shortage in British Guiana. Only one copy is known to exist, discovered by a 12-year-old Scottish ...

An ultra-rare U.S. postage stamp is going under the hammer this ... stamp is part of a collection that was carefully curated by American investor "Bond King" Bill Gross. He acquired the Benjamin ...

Collecting stamps can be as easy as pulling a stamp off an envelope delivered by mail or as complicated as studying ...