"Portrait of Gabrielle d'Estrées, Duchess of Beaufort formerly known as Portrait of Diane de Poitiers, Duchess of Valentinois (1499-1566),", Lavinia Fontana

Date: 1833, after a painting of 1592. Dimensions: height: 6.5 cm (2.5 in); width: 5.5 cm (2.1 in). Medium: miniature on porcelain. Collection: Louvre Museum. Jaquotot - So-called portrait de Gabrielle d'Estrées, duchesse de Beaufort - Louvre