<bdi><a href="https://www.wikidata.org/wiki/Q4190213" class="extiw" title="d:Q4190213"><span title="German painter (1809-1891)">Carl Friedrich Seiffert</span></a>
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<a rel="nofollow" class="external text" href="https://www.blouinartinfo.com/galleryguide-venues/289484/past-results/122709">Historia Auktionshaus, Berlin, 08 März 2016, lot 1325 via blouinartinfo</a>