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.
Actor Walter Pidgeon in the trailer for the film ''The Bad and the Beautiful'' (1952). This image is a screenshot made by myself from a public domain film's trailer. Trailers for films released before 1964 are in the Public Domain because they
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