Coat of Arms of <a href="https://en.wikipedia.org/wiki/Derenburg" class="extiw" title="w:Derenburg">Derenburg</a>, part of <a href="https://en.wikipedia.org/wiki/Blankenburg_(Harz)" class="extiw" title="w:Blankenburg (Harz)">Blankenburg</a>
Erika Fiedler
Wappenvorlage vom Landesarchiv Sachsen-Anhalt erhalten