<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 1909 <div style="display: none;">date QS:P571,+1909-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="http://www.kettererkunst.de/kunst/kd/details.php?obnr=113002423&amp;anummer=424&amp;detail=1">Ketterer, München, 11.06.2015, lot 42</a>