U.S.A. 1932 1st Flight, Route AM18, Sioux Falls to Sioux City, cachet cover
U.S.A. 1932 1st Flight, Route AM18, Watertown to Sioux Falls, cachet cover
U.S.A. 1941 First Flight Cover, New York to Boloma (Portuguese Guinee), with cachet
U.S.A. 1947 First Flight AM 84, Addition of Colton to segment B, cachet cover
U.S.A. 1947 First Flight AM 84, Los Angeles Area Helicopter Service cover
U.S.A. 1947 First Flight AM 84, San Fernando to Los Angeles, cachet cover
U.S.A. 1948 Dedication of Jack Bastow Airport Midland, cachet cover
U.S.A. 1948 First Flight AM 84, Anaheim to Los Angeles, cachet cover
U.S.A. 1948 First Flight AM 84, Los Angeles to Long Beach, cachet cover
U.S.A. 1948 First Flight AM 84, Los Angeles to Rosemead, cachet cover
U.S.A. 1948 First Flight AM 84, San Gabriel to Los Angeles, cachet cover
U.S.A. 1948 First Flight AM 84, San Pedro to Los Angeles, cachet cover
U.S.A. 1948 First Flight AM 86, Milwaukee to Duluth, cachet cover
U.S.A. 1948 First Flight AM 86, Racine to Chicago, cachet cover
U.S.A. 1948 First Flight AM 86, Rhinelander to Milwaukee, cachet cover
U.S.A. 1948 First Flight AM 94, Binghampton to New York, cachet cover
U.S.A. 1948 First Flight AM 94, Buffalo to New York, cachet cover
U.S.A. 1948 First Flight AM 95, Seattle to Honolulu, cachet cover
U.S.A. 1948 First Flight FAM 18, Boston to Barcelona, Spain cachet cover
U.S.A. 1948 First Flight FAM 18, New York to Barcelona, Spain cachet cover
U.S.A. 1948 Galveston's 36th Anniversary of Air Mail cachet cover
U.S.A. 1949 First Flight AM 30, Rome G.A. to Atlanta cachet cover
U.S.A. 1949 First Flight AM 43, Bartleville to Tulsa, cachet cover
U.S.A. 1949 First Flight AM 84, Claremont to Los Angeles, cachet cover
