Those tiny squares of paper we stick on envelopes hold secrets that would surprise even the most curious minds. From the world's first postage stamp that ...

The Smithsonian’s National Postal Museum opens its new William H. Gross Stamp Gallery to the public Sunday, Sept. 22. Named after its primary benefactor, it is the world’s largest stamp gallery and ...

The Smithsonian’s National Postal Museum will display the world’s rarest postage stamp. Beginning in April 2015, the 1856 British Guiana One-Cent Magenta will be prominently displayed in the museum’s ...

Stamps feel almost novel today, but they aren't that old of an invention. The first American stamps weren't issued until 1847, but it wasn't long before people grew fascinated by the different colors ...

Top shoe designer, Stuart Weitzman (left) is poised to sell the British Guiana One-Cent Magenta stamp. Getty; Sotheby's That’s a lot of postage. The world’s most unique and expensive stamp is expected ...

The Red Revenue block of four and the sheet of 25 5-candarin Large Dragon stamps are rare Chinese stamps of the Qing dynasty issued in 1897 during a shortage of regular stamps. They have a red ...

For 27-year-old Adnan Hussain Nanjee of Karachi, Pakistan, postage stamps are more than just postage stamps: They tell the history of his country. "Take a look for yourself," says Nanjee, who was in ...

Discover Mystic Stamp Company in Camden, a leading stamp seller offering U.S. and foreign stamps, collectibles, and a strong ...