HMS <i>Antelope</i> (in the background) in the Menai strait<br><br>
<div class="fn value">
Colonel William Markham</div>
circa 1850 <div style="display: none;">date QS:P571,+1850-00-00T00:00:00Z/9,P1480,Q5727902</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=4674767">4674767</a>