An old British stamp from the island of Mauritius is worth millions now -- due to both its royalty and use in a high-class ...

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 boy ...

A book of stamps with one rare mistake is being auctioned – and is set to fetch up to £6,000. The Royal Mail stamp booklet is one of just three featuring no perforations between the stamps ever known ...

The Famous "Buccleuch Block" and other philatelic rarities will be offered at a special auction in Boston on May 28, ...

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 ...

An inside look at the obsessive, secretive, and often bizarre world of high-profile stamp collecting, told through the journey of the world's most sought-after stamp. When it was issued in 1856, it ...