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:Safety_Last_(1923).webm
Assessment
This is a featured picture on Wikimedia Commons (Featured pictures) and is considered one of the finest images. See its nomination here. This is a featured picture on the English language Wikipedia (Featured pictures) and is considered one of the finest images. See its nomination here.