Description17th All-American Soap Box Derby by Chevrolet.jpg
English: An advertisement by Chevrolet, sponsor of the 17th All-American Soap Box Derby, posted Sep 1954. In the image is winner Richard D. Kemp of Los Angeles, CA.
This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1929 and 1977 and without a copyright notice specific to the advertisement. Unless its author has been dead for several years, it is copyrighted in jurisdictions that do not apply the rule of the shorter term for US works, 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. See this page for further explanation.
Captions
A Chevrolet advertisment of the 17th All-American Soap Box Derby in 1954