1968 First Day Of Issue Envelopes 50th Anniversary U.S. Air Mail Service LI3006

A historical collection of First Day Covers commemorating the 50th Anniversary of U.S. Air Mail Service, each postmarked May 15, 1968. Ideal for philatelists. • Includes 15 envelopes with blue 10¢ Air Mail stamps • Postmarked Washington, D.C., May 15, 1968 • Addressed to W.R. Andrews, Balboa, Canal Zone • Clean and well-preserved vintage condition Minor discoloration due to age; envelopes remain intact and collectible. Condition: Pre-Owned This group of First Day of Issue cancelled stamps/envelopes came from a single owner estate. Most contain blank paper. Many different states, countries, Panama Canal Zone, events like space and moon, historical figures, etc. A lot more to come, so follow us and check them out. Happy to bundle. Sets sold as-is, no splitting. Perfect for collectors, stamp stores, grandkids, etc. Check out our other items to bundle and save. Want to make a bundle, we are happy to combine if you ask before purchase. ~ Fast Shipping with Tracking. We Ship Daily! ~ Smoke Free Environment. ~ Long-time experienced seller. ~ We recycle boxes whenever possible to do our part! ~ All breakables are well packaged. ~ We are happy to answer questions! ~ Measurements are approximate. ~ Please refer to all photos. All monitors render colors differently. ~ Check out our other items and ask me if you want to bundle and save.