1958 US Airmail Stamped Envelope Indicium

United States · 1958 · 7¢

The indicium features a stylized airplane in flight, with 'U.S. POSTAGE' and 'AIR MAIL' text, along with the 7-cent denomination.

This indicium was part of the US Post Office Department's efforts to promote and facilitate airmail services in the mid-20th century, reflecting the era's advancements in aviation.