Portrait of <a href="https://en.wikipedia.org/wiki/en:Maria_Theresa_of_Austria_(1767%E2%80%931827)" class="extiw" title="w:en:Maria Theresa of Austria (1767–1827)"><span title="Queen Consort of Saxony">Maria Theresa of Austria, Queen of Saxony</span></a> (1767-1827), later Queen of Saxony, wife of <a href="https://en.wikipedia.org/wiki/en:Anthony_of_Saxony" class="extiw" title="w:en:Anthony of Saxony"><span title="king of Saxony">Anthony of Saxony</span></a> (1755-1836)
<bdi><a href="https://www.wikidata.org/wiki/Q18511886" class="extiw" title="d:Q18511886"><span title="German artist (1749-1829)">Johann Heinrich Schmidt</span></a>
</bdi>
circa 1780-1800 <small>(approach based on the sitter's age, clothing and hairstyle)</small>
<a rel="nofollow" class="external free" href="http://www.pastellists.com/Articles/SCHMIDTjh.pdf">http://www.pastellists.com/Articles/SCHMIDTjh.pdf</a> p.5