NumberThumbnailDetailsDenom.Perf.DescriptionColorIssue DatePlate Number(s)Tagging Info
C1 Details6c11Curtiss Jennyorange12/10/1918Click For Plate NumbersClick For Tagging Details
C2 Details16c11Curtiss Jennygreen7/11/1918Click For Plate NumbersClick For Tagging Details
C3 Details24c11Curtiss Jennycarmine5/13/1918Click For Plate NumbersClick For Tagging Details
C3a Details24c11Invertedcarmine5/13/1918Click For Plate NumbersClick For Tagging Details
C4 Details8c11Radiator  and  Propellerdark green8/15/1923Click For Plate NumbersClick For Tagging Details
C5 Details16c11Airmail Service Insigniadark blue8/17/1923Click For Plate NumbersClick For Tagging Details
C6 Details24c11De Havilland Planecarmine8/21/1923Click For Plate NumbersClick For Tagging Details
C7 Details10c11U.S. Map and Mail Planesdark blue2/13/1926Click For Plate NumbersClick For Tagging Details
C8 Details15c11U. S. Map and Mail Planesolive brown9/18/1926Click For Plate NumbersClick For Tagging Details
C9 Details20c11U. S. Map and Mail Planesyellow green1/25/1927Click For Plate NumbersClick For Tagging Details