1918 - 27 Air Mail
6¢ - Orange or pale orange
Engraved - Perf. 11 - Scott #C1 - 1918
16¢ - Green
or dark green
Engraved - Perf. 11 - Scott #C2 - 1918
24¢ - Carmine rose and blue or dark
carmine rose and blue
Engraved - Perf. 11 - Scott #C3 - 1918
24¢ - Carmine rose and blue
Inverted center
Engraved - Perf. 11 - Scott #C3a - 1918
8¢ - Deep green or dark
green
Engraved - Perf. 11 - Scott #C4 - 1923
16¢ - Dark blue
Engraved - Perf. 11 - Scott #C5 - 1923
24¢ - Carmine
Engraved - Perf. 11 - Scott #C6 - 1923
10¢ - Dark blue or light
blue
Engraved - Perf. 11 - Scott #C7 - 1926
15¢ -Olive Brown or light
brown
Engraved - Perf. 11 - Scott #C8 - 1926
20¢ -Yellow green or green
Engraved - Perf. 11 - Scott #C9 - 1927
10¢ - Dark blue
Engraved - Perf. 11 - Scott #C10 - 1927
10¢ - Dark blue or light
blue
Engraved - Perf. 11 - Scott #C10A - 1926
Booklet Pane
Garden City -Mineola NY, International Aviation Tournament, Real-Photo PC shows Atwood Flying, SEP 24 (2nd day of meet) Pmk which ties 1¢ Franklin, s/l "AERIAL SPECIAL DESPATCH", handwritten note: "U.S. Mail Tent/ Aviation Field/ Sept 24, 1911/ This card send by first aerial mail service in US