
US Air Mail C40 - Plane over Mountains
United States · 1928 · 50 CENTS
A 50-cent US Air Mail stamp featuring an early aircraft flying over a rugged mountain landscape, with 'U.S. POSTAGE' and 'AIR MAIL' inscriptions.
Issued in 1928, this stamp is part of a series that promoted the burgeoning airmail service in the United States, reflecting the era's advancements in aviation and connecting distant regions.
Catalog Numbers
Image: <a href="//commons.wikimedia.org/w/index.php?title=User:SueStamps&action=edit&redlink=1" class="new" title="User:SueStamps (page does not exist)">SueStamps</a> · License: CC BY-SA 3.0
View on Wikimedia CommonsEstimated 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.