This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionFlag of Vermont (1882).jpg
English: It's a Vermont state flag from 1882. It is the Stars of Stripes with a single 5 pointed star bearing Vermont coat of arms in the center of it. The canton rest on the 5th bottom stripe unlike the American flag.
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:Flag_of_Vermont_(1882).jpg