The author of this work is anonymous and this work was made available to the public more than 50 years ago. According to the Berne convention
Art. 7, and the laws of many countries, this work is in the public domain. Note: This template does not apply to works from countries that extended the Berne Convention or that did not sign it. In particular, this includes the European Union, the United States, India, and Russia. Please use
{{PD-anon-70-EU}},
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{{PD-India}},
{{PD-Russia-1996}}, etc. in such cases and check
Commons:Anonymous worksevery time, carefully!
Public domainPublic domainfalsefalse
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
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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.