1757 Louise Elisabeth de Maillé Karman, comtesse de Sorans after François Hubert Drouais (Versailles) cropped
My thanks to Bourgogne for identifying her.
The marquise de Sorans wears a simple dress with a laced bodice and simple sleeves in her 1757 Drouais portrait.
Keywords: 1757, Drouais, Marquise, French, straight coiffure, floral headdress, square neckline, modesty piece, elbow length full sleeves, cuffs, laced bodice, over-skirt, panniers, neck band