Jean-Baptiste Deshays , called Le Romain COLLEVILLE 1729 - 1765 ROUEN A YOUNG WOMAN, SAID TO BE MADAME DESHAYS, TURNING TOWARDS THE VIEWER AND HOLDING A BOOK oil on canvas, oval; 23 7/8 by 19 5/8 in.; 60.6 by 49.9 cm © Sotheby's