1918 - 27  Air Mail

6c - Orange or pale orange 
Engraved - Perf. 11 - Scott #C1 - 1918

16c - Green or dark green 
Engraved - Perf. 11 - Scott #C2 - 1918

24c - Carmine rose and blue or dark carmine rose and blue 
Engraved - Perf. 11 - Scott #C3 - 1918

24c - Carmine rose and blue
Inverted center
Engraved - Perf. 11 - Scott #C3a - 1918

8c - Deep green or dark green 
Engraved - Perf. 11 - Scott #C4 - 1923

16c - Dark blue 
Engraved - Perf. 11 - Scott #C5 - 1923

24c - Carmine 
Engraved - Perf. 11 - Scott #C6 - 1923

10c - Dark blue or light blue 
Engraved - Perf. 11 - Scott #C7 - 1926

15c -Olive Brown or light brown 
Engraved - Perf. 11 - Scott #C8 - 1926

20c -Yellow green or green 
Engraved - Perf. 11 - Scott #C9 - 1927

10c - Dark blue
Engraved - Perf. 11 - Scott #C10 - 1927

10c - 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 1c 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