Portrait of Louise Marie Thérèse d'Artois, circa 1845. She is wearing Queen's Marie-Antoinette's famous pearl and diamond necklace, sold at Sotheby's in 2018.
<bdi><a href="https://en.wikipedia.org/wiki/en:Johann_Ender" class="extiw" title="w:en:Johann Ender"><span title="Austrian painter (1793-1854)">Johann Ender</span></a>
</bdi>
circa 1845
<a rel="nofollow" class="external text" href="https://www.coutaubegarie.com/lot/108537/14894911-nepomuk-ender-johann-17931854psearch=&amp;">Coutau Begarie</a>