The stamps were handed out by merchants as loyalty rewards and could be redeemed for merchandise. Now, you can still redeem them for cash.

WASHINGTON — The United States Postal Service is issuing a warning as the number of counterfeit stamps being sold online continues to escalate. Postal officials say if you are looking online for ...

History, intrigue and a misprint combine so that a single stamp from 1918 recently sold for big bucks.

It's probably the most famous postage stamp ever. "Even a little kid starting to collect stamps knows about the upside down airmail stamp," Scott Trepel, president and owner of Robert A. Siegel ...

WASHINGTON, March 22, 2018 /PRNewswire-USNewswire/ -- The United States Postal Service will honor the beginning of airmail service by dedicating two United States Air Mail Forever stamps this year.

Earlier today, the Japan Post Service shared a notice concerning the temporary suspension of airmail and EMS addressed to the United States.