<bdi><a href="https://en.wikipedia.org/wiki/en:Bernhard_Keil" class="extiw" title="w:en:Bernhard Keil"><span title="painter from Denmark (1624-1687)">Bernhard Keil</span></a>
</bdi>
<a href="https://en.wikipedia.org/wiki/Christie%27s" class="extiw" title="en:Christie's">Christie's</a>, LotFinder:  entry  <a rel="nofollow" class="external text" href="https://www.christies.com/LotFinder/lot_details.aspx?intObjectID=5462003">5462003</a> (sale 1071, lot 181, Paris, 7 - 8 July 2011, page no more available)