<bdi><a href="https://en.wikipedia.org/wiki/en:Nikolaas_Verkolje" class="extiw" title="w:en:Nikolaas Verkolje"><span title="Dutch painter and engraver (1673-1746)">Nikolaas Verkolje</span></a>
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<a rel="nofollow" class="external text" href="http://www.sothebys.com/en/auctions/ecatalogue/2018/old-master-drawings-n09811/lot.241.html">Sotheby's Lot.241</a>