Panama Canal #C15-20 - Complete Mint Set of 6

The first commemorative airmails issued by the Canal Zone, this attractive set celebrate the 25th anniversary of the opening of the Panama Canal and the 10th anniversary of airmail service in the Canal Zone. Pictured are views of the Canal Zone and various types of airplanes, including the famous Pan American Clipper, a large flying boat that was the ultimate in luxury air travel. (Canal Zone #C15-20)