US 6-cent Airmail First Flight Cover

United States · 1935 · 6¢

A 1935 First Flight Cover from Allentown, PA to Youngstown, OH, featuring a US 6-cent dark blue airmail stamp depicting a biplane.

This cover commemorates the inaugural airmail service between Allentown, Pennsylvania, and Youngstown, Ohio, highlighting the expansion of airmail routes in the United States during the 1930s.