Production still from the American comedy western film <i><a href="https://en.wikipedia.org/wiki/Chip_of_the_Flying_U" class="extiw" title="w:Chip of the Flying U">Chip of the Flying U</a></i> (1926) with author Bertha Muzzy Sinclair aka B. M. Bower and Hoot Gibson, on page 293 of the July 24, 1926 <i>Motion Picture News</i>.
Universal Pictures
<a rel="nofollow" class="external text" href="https://archive.org/details/motionnew34moti/page/n296/mode/1up"><i>Motion Picture News</i> (Jul. - Aug. 1926)</a>, on the Internet Archive