Catalog Number | Description | Denomination | Color | Date Issued | Perforation | Num Produced | Series |
---|---|---|---|---|---|---|---|
C1 | Curtiss Jenny | 6c | orange | 12/10/1918 | 11 | ||
C2 | Curtiss Jenny | 16c | green | 7/11/1918 | 11 | ||
C3 | Curtiss Jenny | 24c | carmine | 5/13/1918 | 11 | ||
C3a | Inverted | 24c | carmine | 5/13/1918 | 11 | ||
C4 | Radiator and Propeller | 8c | dark green | 8/15/1923 | 11 | ||
C5 | Airmail Service Insignia | 16c | dark blue | 8/17/1923 | 11 | ||
C6 | De Havilland Plane | 24c | carmine | 8/21/1923 | 11 | ||
C7 | U.S. Map and Mail Planes | 10c | dark blue | 2/13/1926 | 11 | ||
C8 | U. S. Map and Mail Planes | 15c | olive brown | 9/18/1926 | 11 | ||
C9 | U. S. Map and Mail Planes | 20c | yellow green | 1/25/1927 | 11 | ||
C10 | Spirit Of St Louis and Flight Route | 10c | dark blue | 6/18/1927 | 11 | ||
C10a | Spirit of St. Louis pane of 3 | 10c | dark blue | 5/26/1928 | 11 | ||
C11 | Beacon on the Rocky Mountains | 5c | Carmine and Blue | 7/25/1928 | 11 | ||
C12 | Winged Globe | 5c | violet | 2/10/1930 | 11 | ||
C13 | Graf Zeppelin | 65c | green | 4/19/1930 | 11 | ||
C14 | Graf Zeppelin | $1.30 | brown | 4/19/1930 | 11 | ||
C15 | Graf Zeppelin | $2.60 | blue | 4/19/1930 | 11 | ||
C16 | Winged Globe | 5c | violet | 8/19/1931 | 10½ x 11 | ||
C17 | Winged Globe | 8c | olive Bister | 9/26/1932 | 10½ x 11 | ||
C18 | Century Of Progress | 50c | green | 10/2/1933 | 11 |