English: Flown, registered Springfield, IL, USPOD #13 Penalty Cover autographed by Charles A. Lindbergh and the five regular Robertson Aircraft Corporation CAM-2 pilots (L.H. Smith, E.L Sloniger, H.A. ("Bud") Gurney, T.P. Nelson, P.R. Love) who flew the mail on CAM-2 on February 20 & 21, 1928, on the "Lindbergh Again Flies The Air Mail" flghts, with all cachets and backstamps. The cover is addressed to William A. Steiger, the Assistant Post Master at Springfield, IL, who was in charge of Air Mail service there.
Date
February 20-21, 1928
Source
The Cooper Collection of Lindberghiana
Author
William A. Steiger, USPOD, Springfield, IL
Licensing
Postage stamps
Public domainPublic domainfalsefalse
This United States postage stamp was published prior to 1978 and is therefore in the public domain in the United States. See Commons:Hirtle chart for further explanation. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
This work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright notice. For further explanation, see Commons:Hirtle chart as well as a detailed definition of "publication" for public art. Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
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