<bdi><a href="https://en.wikipedia.org/wiki/en:Konrad_Grob" class="extiw" title="w:en:Konrad Grob"><span title="Swiss artist (1828-1904)">Konrad Grob</span></a>
</bdi>
1900<div style="display: none;">date QS:P571,+1900-00-00T00:00:00Z/9</div>
<a rel="nofollow" class="external text" href="https://www.kollerauktionen.ch/de/327085-0001-2253-grob_-konrad-_andelfingen-1828-2253_438473.html?RecPos=41">Koller West, Auktion W253, Lot 6442, 28.06.2017</a>