Louise Françoise, duchesse de Bourbon, “mademoiselle de Nantes”. ca. 1688-93. French. Oil on canvas. François de Troy, artist (1645-1730). Collections of the Museu Nacional d’Art de Catalunya, Barcelona. In the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:Fran%C3%A7ois_de_Troy_-Louise_Fran%C3%A7oise_de_Bourbon,_mademoiselle_de_Nantes-_Google_Art_Project.jpgFrançoise-Marie de Bourbon known as Mademoiselle de Blois and Louise-Françoise de Bourbon known as Mademoiselle de Nantes. 1675-1700. French. Oil on canvas. Philippe Vignon, artist (1638-1701). Collections of the Palace of Versailles. Image in the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:The_sisters_Mademoiselle_de_Blois_and_Mademoiselle_de_Nantes_by_Philippe_Vignon.jpg