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

1939 15c Canal Zone Airmail - Pan Am Clipper & Ft. Amador, light brown

1931 15c Canal Zone Airmail - Gaillard Cut, blue

1961 15c Canal Zone Airmail - US Army Caribbean School Emblem

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

1941 30c Canal Zone Airmail - Gaillard Cut, rose lake

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

1931 40c Canal Zone Airmail - Gaillard Cut, yellow

1939 30c Canal Zone Airmail - Pam Am Clipper over Gaillard Cut, rose carmine

1931 $1 Canal Zone Airmail - Gaillard Cut, black

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

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

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

1929 20c on 2c Canal Zone Airmail - Goethals, carmine

1951 10c Canal Zone Airmail - Globe & Wing, light red orange

1958 15c Canal Zone Airmail - Globe & Wing, brown violet

1939 25c Canal Zone Airmail - Pan Am Clipper at Cristobal Harbor, blue

1958 35c Canal Zone Airmail - Globe & Wing, dark blue

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

1958 5c Canal Zone Airmail - Globe & Wing, yellow green