<bdi><a href="//commons.wikimedia.org/wiki/Category:18th-century_portrait_paintings_of_men,_artist,_location_and_year_missing" title="Category:18th-century portrait paintings of men, artist, location and year missing">Unidentified painter</a>
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<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=5868497">5868497</a> (sale 3709, lot 298, New York 29 January 2015)