If you’ve ever come across an old stamp collection and wondered if it might be worth something, you’re not alone. Collecting ...

Arguably the most famous and valuable stamp in the world, the British Guiana 1-Cent Magenta has achieved near-mythic status. Issued in 1856 in what is now Guyana, this small, faded red stamp was ...

The Smithsonian’s National Postal Museum announces a special showing of the world’s most famous and valuable stamp—the British Guiana One-Cent Magenta—at the World Stamp Show–NY 2016. The special ...

The world’s most famous and valuable stamp, the British Guiana One-Cent Magenta, is now on display that the Smithsonian’s National Postal Museum. Prominently showcased in the museum’s William H. Gross ...

Born from a Civil War coin shortage, postage stamp envelopes briefly bridged America’s currency gap—and today stand as rare, ...