<bdi><a href="https://en.wikipedia.org/wiki/en:Christian_Rohlfs" class="extiw" title="w:en:Christian Rohlfs"><span title="German artist (1849-1938)">Christian Rohlfs</span></a>
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<a rel="nofollow" class="external text" href="https://www.lempertz.com/de/kataloge/lot/1033-1/307-christian-rohlfs.html">Lempertz, Auktion 1033, 30. Mai 2014, Lot 307 </a>