Portrait of <a href="https://en.wikipedia.org/wiki/en:Princess_Louise_of_Saxe-Gotha-Altenburg_(1756%E2%80%931808)" class="extiw" title="w:en:Princess Louise of Saxe-Gotha-Altenburg (1756–1808)"><span title="duchess of Mecklenburg-Schwerin">Princess Louise of Saxe-Gotha-Altenburg</span></a> (1756–1808), Duchess of Mecklenburg-Schwerin
<bdi><a href="https://en.wikipedia.org/wiki/en:Georg_David_Matthieu" class="extiw" title="w:en:Georg David Matthieu"><span title="German painter (1737-1778)">Georg David Matthieu</span></a>
</bdi>
1778<div style="display: none;">date QS:P571,+1778-00-00T00:00:00Z/9</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=1429000">1429000</a>