Albumen portrait of Abraham Lincoln, taken in Washington at Gardner's studio on 9 August 1863
<bdi><a href="https://en.wikipedia.org/wiki/en:Alexander_Gardner_(photographer)" class="extiw" title="w:en:Alexander Gardner (photographer)"><span title="Scottish photographer (1821–1882)">Alexander Gardner</span></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=5217020">5217020</a>