English: Despite the NPG's claim of copyright, any image that was published in the US before 1923 is in the public domain. This image was definitely widely published, as evidenced by this autographed version of the same image. Publicity portraits like this were common in the studio era of Hollywood (see film still for more information).
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country. Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Charlie_Chaplin_portrait.jpg
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