to the Postal Service governors asking them to delay any additional stamp price increases until the recent increases' effects on mail volume and revenue can be assessed. "While we highly value the ...

Several key factors influence the value of a postage stamp ... widespread popularity in the past with certain rare stamps fetching high prices, the market today is more niche.

A famous invert error stamp has sold for well over its estimate at a New York sale. Discover the upside-down 1c Pan-American ...

An approved service from the U.S. Postal Service that is provided by third parties for printing U.S. postage stamps on a user's printer. In 1999, E-Stamp Corporation and Stamps.com were the first ...