Coat of arms of the <a href="https://en.wikipedia.org/wiki/Bishopric_of_Speyer" class="extiw" title="en:Bishopric of Speyer">Bishopric of Speyer</a>
Sir Iain
Own work based on: <a href="//commons.wikimedia.org/wiki/File:Wappen_Hochstift_Speyer.png" title="File:Wappen Hochstift Speyer.png">Wappen Hochstift Speyer.png</a>