A retro photo from the site of Berounsti Mestane, a Czech agency supplying performers of various types, including several cancan troupes.
Unfortunately, this particular troupe is not identified by name.
http://www.berounstimestane.cz/index.php?SMid=377&act1=m1&lang=en&bmsess=bcb0550a82a363e1a4762793eaa0bb78
http://www.berounstimestane.cz/index.php?SMid=464
