Portrait of Élisabeth Charlotte of Bourbon-Orléans (1676-1744). Undated, by 1744. French. Oil on canvas. François de Troy, painter (1679-1752). Image source: auctionartparis.com. In the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:Troy,Fran%C3%A7ois_de-_%C3%89lisabeth_Charlotte_d%27Orl%C3%A9ans.jpgSpring. One of a set of four portraits of young princesses from the Louis XIV period represented as an allegory of the Four Seasons. ca. 1690. French. Oil on canvas. François de Troy, painter (1679-1752). Image source: proantic.com. In the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:Workshop_of_Fran%C3%A7ois_de_Troy_-Allegory_of_the_Four_Seasons(2).pngPresumed portrait of the Duchesse de Maine. By 1700. French. Oil on canvas. Studio of François de Troy. Image source; artnet.com. In the public domain in the United States because the artist died over 100 years ago. via https://commons.wikimedia.org/wiki/File:Studio_of_Fran%C3%A7ois_de_Troy_-_Presumed_portrait_of_the_Duchess_of_Maine.pngPortrait of Princess Louisa Maria Stuart. ca. 1705. French. Oil on canvas. François de Troy, painter (1679-1752). Image source: bridgemanartondemand.com. 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,Portrait_of_Princess_Louisa_Maria_Stuart(c._1705).jpg