<bdi>Attributed to <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>
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<a rel="nofollow" class="external text" href="http://www.lot-tissimo.com/de/i/8753208/p/1/">Eppli Auktionshalle, Echterdingen, 17.01.2015, Los 1619 via Lot-tissimo</a>