<bdi><a href="https://en.wikipedia.org/wiki/en:Franz_Wilhelm_Seiwert" class="extiw" title="w:en:Franz Wilhelm Seiwert"><span title="German artist (1894-1933)">Franz Wilhelm Seiwert</span></a>
</bdi>
circa 1931/32
<a rel="nofollow" class="external autonumber" href="http://www.museenkoeln.de/museum-ludwig/default.asp?s=2761">[1]</a>