<bdi><a href="https://en.wikipedia.org/wiki/en:Ludwig_Knaus" class="extiw" title="w:en:Ludwig Knaus"><span title="German artist (1829–1910)">Ludwig Knaus</span></a>
</bdi>
1884<div style="display: none;">date QS:P571,+1884-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="http://www.lot-tissimo.com/de/i/1503638/p/9/?PHPSESSID=jo3cie174ubecc5aavbsn3gr33">Van Ham Kunstauktionen, 17. November 2007, lot 1021 via Lot-tissimo</a>