US 1937 Air Mail 50 Cents
United States · 1937 · 50¢
A dark blue stamp featuring an airplane flying over a mountainous landscape, with 'U.S. POSTAGE' and 'AIR MAIL' inscriptions.
Issued in 1937, this stamp reflects the increasing significance of air travel for mail delivery in the United States during the interwar period.
Catalog Numbers
Image: <a href="https://en.wikipedia.org/wiki/United_States_Post_Office_Department" class="extiw" title="w:United States Post Office Department">United States Post Office Department</a> · License: Public domain
Estimated Values by Condition
Perfectly centered, fresh, no faults
Well centered, fresh colors
Nicely centered, minor flaws
Average centering, acceptable
Off-center or visible wear
Prices are approximate market estimates for educational purposes. Actual values depend on specific factors including cancel type, margins, and provenance.
