Here’s a look at some of the 12 most valuable American stamps that are still out there, waiting to be discovered by lucky ...

The first stamp was created in Great Britain on May 1, 1840. It wouldn't take long for people to start collecting them. Just one year later, a woman placed an ad in the London Times seeking ...

The stamp, seen here with Siegel Auctions President Scott Trepel, once famously featured in an episode of the Simpsons A rare US postage stamp has sold for $2m (£1.63m) in a New York auction ...

The British Guiana 1c Magenta was bought by rare stamp dealer Stanley Gibbons last month. The dealer said that, gram for gram, the stamp is thought to be the most valuable man-made item in the world.

Japan Post Co. announced it will release of a set of commemorative stamps featuring Los Angeles Dodgers star Shohei Ohtani after he was named the MLB National League’s Most Valuable Player ...