North America

U.S.A. 1948 First Flight AM 84, Los Angeles to Long Beach, 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 Rosemead, cachet cover

U.S.A. 1948 First Flight AM 84, San Pedro to Los Angeles, cachet cover

U.S.A. 1947 First Flight AM 84, San Fernando to Los Angeles, cachet cover

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

USA 1949 First Flight AM 97 , Rehoboth Beach - Philadelphia, cachet cover

USA 1949 First Flight AM 97 , Bradford - Buffalo, cachet cover

USA 1949 Hutchinson Kansas Air Strip dedication signed cover

USA 1949 First Flight AM , Paris - Texarkana, cachet cover

USA 1949 First Flight AM 90, Mitchell - Omaha cachet cover

USA 1949 First Flight AM 105, Kingman-Phoenix cachet cover

USA 1950 First Flight FAM 30, Surfing cachet cover

USA 1953 25th Anniversary of First Contract Airmail Flight, Boston cachet cover

USA 1952 Helicopter Cachet, New York Area Flight Cover, AM111

USA 1953 Cachet Flight Cover, Ashland to Charleston

U.S.A. 1983 Landing of Challenger at Edwards Air Force Base cover

U.S.A. 1977 ESA/OTS Delta 134 cachet cover, Kennedy Space Centre

U.S.A. 1978 ESA/OTS Delta 141 cachet cover, Kennedy Space Centre

U.S.A. 1978 NASCOM cachet cover, Goddard Space Flight Centre

U.S.A. 1960 Arctic, Ellesmere Ice Shelf cachet cover, 5 x 1c stamps

U.S.A. 1960 Arctic, Ellesmere Ice Shelf cachet cover

U.S.A. 1980 & 1985 Christmas First Day Covers