Coat of arms of <a href="https://en.wikipedia.org/wiki/Dorfen" class="extiw" title="en:Dorfen">Dorfen</a>
Otto Hupp, München und Max Reinhart, Passau
Taken from my website at <a rel="nofollow" class="external autonumber" href="http://www.ed-wappen.de/dorfen.html">[1]</a>