"Portrait of a noble lady, probably Marie Adélaide de Savoie", François de Troy

"large portrait of a noble lady, probably: marie - adélaide de savoie (1685-1712), by marriage with louis (eldest grandson of louis xiv) who became duchess of burgundy and future mother of louis xv. Another possibility: charlotte of orléans, duchess of lorraine (1676-1774)? watch: she also wears the same gemstone belt buckle in another portrait. French school of the louis xv period, after or entourage of the famous painter françois de troy (1645-1730). Good authentic condition, rear frame (19th century). " [1]. Date: 17th century. Medium: oil on canvas. Collection: Unidentified location. Inconnu d’après François de Troy? - Portrait of a noble lady, probably Marie Adélaide de Savoie