Page 147 - Demo
P. 147
First Jet Air Mail Flight, Miami to St. Louis to Los Angeles. Dual postmark, September 27, 1959 in Los Angeles, September 28, 1959 in Miami. Backstamp Miami September 28, 1959First Jet Air Mail Flight, Boston to Chicago to San Francisco.Postmarked Chicago September 8, 1959, Backstamp Boston September 8, 1959.