From liveinternet.ru/users/marylai/post412843212/ removed spots in the background and some on the face and fixed paint cracks in the upper quarter including the coiffure.
This is probably the Drouais original the portrait in the last image is based on.
Keywords: 1765, Drouais, straight coiffure, large curl bun, large curl chignon, necklace, bows, square décolletage, lace stomacher, lace, lace-trimmed robings, elbow length close sleeves, lace engageantes, necklace, lace-trimmed wrap