This stamp was announced by the USPS on March 6th:
This stamp celebrates the 250th anniversary of the U.S. Army. Established by the Continental Congress in 1775, the Army is now a global force with a clear purpose: to fight and win America’s wars. Featuring the military service mark of the U.S. Army against a white background, the stamp was designed by Antonio Alcalá, an art director for the USPS.
No date of issuance or city was given. The latest information will appear below the line, with the most recent at the top.
