1923 Second Airmail #C4-C6

1923 Second Airmail Issues #C4-C6
With the arrival of nighttime airmail service in 1923, the U.S. was divided into three zones: New York to Chicago, Chicago to Cheyenne, Wyoming, and Cheyenne to San Francisco, with a different rate paid for each zone crossed. Previously, mail was flown during daylight and transferred to trains at night.

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4 Items

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  1. # C4S - C4-C6 Set of 3
    mint
    $315.00
    used
    $90.00
  2. # C4 - 8¢ Radiator & Prop - dark green
    mint
    $42.00
    used
    $22.00
  3. # C5 - 16¢ Air Service Emblem - dk blue
    mint
    $125.00
    used
    $39.00
  4. # C6 - 24¢ DeHavilland Biplane - carmine
    mint
    $160.00
    used
    $35.00