Coat of arms of Albrecht IV van Mecklenburg.
Original by <a href="//commons.wikimedia.org/w/index.php?title=User:Arch&amp;action=edit&amp;redlink=1" class="new" title="User:Arch (page does not exist)">User:Arch</a> after image <a href="//commons.wikimedia.org/wiki/File:Albrecht_4_mecklenburg.jpg" title="File:Albrecht 4 mecklenburg.jpg">file:Albrecht 4 mecklenburg.jpg</a>
SVG is own work.