painting by Karl Julius Wilhelm Heilmann
<bdi><a href="https://www.wikidata.org/wiki/Q117309474" class="extiw" title="d:Q117309474"><span title="german painter">Karl Julius Wilhelm Heilmann</span></a>
</bdi>
CC BY 4.0
<a rel="nofollow" class="external text" href="https://onlinesammlung.freiburg.de/en/object/B2163E744941356B78968DA4B23DECAA">Onlinesammlung der Städtischen Museen Freiburg</a>, Photo: Axel Killian