<bdi><a href="https://en.wikipedia.org/wiki/en:Gustav_Wunderwald" class="extiw" title="w:en:Gustav Wunderwald"><span title="German painter (1882-1945)">Gustav Wunderwald</span></a>
</bdi>
circa 1923 <div style="display: none;">date QS:P571,+1923-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="https://lot-tissimo.com/de/i/10922845/p/1/?PHPSESSID=5g26lpip509">Van Ham Kunstauktionen, 02.06.2016, lot 97 via Lot-tissimo</a>