The Bennington flag. It was used at the Battle of Bennington, but there is some doubt about this. Image is from the <a rel="nofollow" class="external text" href="http://www.usemb.se/usflag/flaghist.html#bennington">US Embassy in Sweden</a>.
<p>The original uploader was <a href="https://en.wikipedia.org/wiki/User:Hoshie" class="extiw" title="wikipedia:User:Hoshie">Hoshie</a> at <a href="https://en.wikipedia.org/wiki/" class="extiw" title="wikipedia:">English Wikipedia</a>.
</p>
Later versions were uploaded by <a href="https://en.wikipedia.org/wiki/User:Zcrayfish" class="extiw" title="en:User:Zcrayfish">Zcrayfish</a>, <a href="https://en.wikipedia.org/wiki/User:Eliashc" class="extiw" title="en:User:Eliashc">Eliashc</a> at <a class="external text" href="https://en.wikipedia.org">en.wikipedia</a>.
U.S. govt employee based on publicly-available information