Small <a href="https://en.wikipedia.org/wiki/Coat_of_arms_of_Berlin" class="extiw" title="en:Coat of arms of Berlin">Coat of arms of Berlin</a> from 1883.
<bdi><a href="https://www.wikidata.org/wiki/Q108410" class="extiw" title="d:Q108410"><span title="German journalist (1844-1918)">Adolf Matthias Hildebrandt</span></a>
</bdi>
1883
Werner Vogel: <i>Berlin und seine Wappen.</i> Ullstein, Berlin·Frankfurt/Main 1987, <a href="//commons.wikimedia.org/wiki/Special:BookSources/3-550-07818-8" title="Special:BookSources/3-550-07818-8">ISBN 3-550-07818-8</a>, S. 49.