<bdi><a href="https://en.wikipedia.org/wiki/en:Edward_Henry_Potthast" class="extiw" title="w:en:Edward Henry Potthast"><span title="American artist (1857–1927)">Edward Henry Potthast</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=6235411">6235411</a> (sale 17661, lot 88, New York, 20 November 2019)