Jean-Etienne Liotard, Archduchess Marie-Antoinette of Austria, 1762, Black and red chalk, graphite pencil, watercolour and watercolour glaze on paper, heightened with colour on the verso, 31.1 x 24.9 cm, Cabinet d'arts graphiques des Musees d'art et d'histoire, Geneva. On permanent loan from the Gottfried Keller Foundation, inv. 1947-0042, Photo Musee d'art et d'histoire, Geneva. Photography: Bettina Jacot-Descombes