<bdi><a href="https://en.wikipedia.org/wiki/en:Paul_Kayser" class="extiw" title="w:en:Paul Kayser"><span title="German painter (1869-1942)">Paul Kayser</span></a>
</bdi>
circa 1915 <div style="display: none;">date QS:P571,+1915-00-00T00:00:00Z/9,P1480,Q5727902</div>
<a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/de/private/kayser_jean_paul/kunstwerken/107116/0/?rvn=4">Auktionshaus Stahl, Hamburg, 20. Juni 2015, lot 152 via ARCADJA auction results</a>