Airport Dedication Covers
In the era before Priority Mail and Express Mail Overnight Delivery, the movement of mail by airplanes was a significant advance. Those courageous men in their flying machines (and those were hazardous times for flying) represented major milestones in the development of small cities and towns as they entered the modern era with the dedication of their airport. These significant civic events were marked by special cachet mail flown on the festive occasions and now treasured by collectors of postal history.