Portrait of <a href="https://en.wikipedia.org/wiki/Conyers_Darcy,_1st_Earl_of_Holderness" class="extiw" title="w:Conyers Darcy, 1st Earl of Holderness">Conyers Darcy, 1st Earl of Holderness</a> (1599-1689) in 1625, aged 27
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Unknown author<span style="display: none;">Unknown author</span></div>
<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=5836627">5836627</a> (sale 5660, lot 25)