A few images from the Pan Am Historical Foundation Calendar, 2009: "Stamp of Approval" honoring Pan Am in postage.
Based on the aerophilatelic collection of Mr. Craig Ludlow, a long-time senior analyst with Pan American World Airways, who started his Pan Am stamp collection in the 1960’s.
Stamp of Approval: Honoring Pan Am in Postage. Inside cover of the 2009 calendar published by Pan Am Historical Foundation
First Pan Am flight cover, 1927
Pan Am flying boat on a Philippines stamp
Pan Am on a Peruvian 70 cent stamp
Pan Am Clipper on a Palau stamp, 1985
Nicaragua 5 cent stamp, 1931 with Will Rogers
Nicaragua 4 cent stamp, 1931 with Will Rogers
Pan Am on a Bermuda Stamp, 1970
Nicaragua 3 cent stamp, 1931 with Will Rogers