French 18 th portrait painting

17th century painting, in the style of Nicolas Largillierre (1656-1746) oil on canvas, representing a pretty lady in a brown coat open to show a laced decolte dress, decorated with gold theads and pearls. The period frame is in perfect condition ( Louis XIV). Unsigned and relined in the 19th century.( radiography) 106 cm X 90 cm with frame