1931 20c Canal Zone Airmail - Gaillard Cut, red violet

1929 25c on 2c Canal Zone Airmail - Goethals, carmine

1951 80c Canal Zone Airmail - Globe & Wing, light gray black

1931 $1 Canal Zone Airmail - Gaillard Cut, black

1931 10c Canal Zone Airmails - Gaillard Cut, yellow brown

1931 40c Canal Zone Airmail - Gaillard Cut, yellow

1931 5c Canal Zone Airmail - Gaillard Cut, yellow green

1949 4c Canal Zone Airmail - Gaillard Cut, red violet

1929 10c on 50c Canal Zone Airmail - Blackburn, lilac

1946 6c Canal Zone Airmail - Gaillard Cut, yellow brown

1927 2c Canal Zone - Washington, carmine, type B overprint

1929 5c Canal Zone - 'Gaillard Cut' - blue, flat plate printing, unwatermarked

1939 5c Canal Zone Airmail - Douglas plane, greenish black

1924 2c Canal Zone - Washington, overprint, type A, carmine

1906 2c Canal Zone - Cordoba, overprint down, red & black

1934 3c Canal Zone - Goethals, flat plate printing, unwatermarked, red violet

1907 1c Canal Zone - Balboa, overprint down, green & black

1946-49 2c Canal Zone - Roosevelt, unwatermarked, light rose carmine

1925 ½c Canal Zone - Hale, overprint, type A, olive brown

1927 1c Canal Zone - Washington, green, type B overprint