Portrait of Archduke Peter Leopold of Austria (1747-1792), previously misidentified as Archduke Karl Joseph von Österreich (1746-1761), Jean-Étienne Liotard, 1762

Archduke peter leopold, later leopold ii, holy roman emperor, drawing the plan of a fortification, previously misidentified as archduke charles joseph of austria (1745–1761), second son of empress maria theresia. Date: 1762. Dimensions: 32 × 26.5 cm (12.5 × 10.4 in). Medium: black chalk, graphite and watercolor, red chalk, watercolor on white laid paper. Collection: Musée d’Art et d’Histoire de Genève. Archduke Peter Leopold, later Leopold II, 1762 by Liotard