An online search by title at the United States copyright office did not find a copyright renewal for posters related to this title. In the absence of renewal of the U.S. copyright, this poster art entered the public domain 28 years after its U.S. publication date.
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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 (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.