Portrait of Madame François Tronchin (née Anne-Marie Fromaget), Jean-Étienne Liotard, pastel on vellum, 68 by 55 cm, Musée d’art et d’histoire, Geneva, Jean-Étienne Liotard, 1 January 1758
Portrait of madame françois tronchin (née anne-marie fromaget), jean-étienne liotard, 1758, pastel on vellum, 68 by 55 cm, musée d’art et d’histoire, geneva. Date: 1 January 1758.