The United States Postal Service is celebrating the approaching 250th anniversary with a contest. According to USPS, 25 of its stamps it calls “bestselling” and “most popular” were selected by the ...

Both of the stamps are being issued as Forever stamps, which will always be equal in value to the current First-Class Mail ...

WASHINGTON — The U.S. Postal Service on Wednesday marked its upcoming 250th anniversary with the release of new commemorative ...