Central plan tomb: elevation, plan, detail of a burial chamber of the Etruscan tomb of Montecalvario in Castellina in Chianti near Siena, Leonardo da Vinci, circa 1507

Date: circa 1507. Dimensions: height: 19.8 cm (7.7 in); width: 26.7 cm (10.5 in). Medium: black stone, brown ink, brown wash, drypoint, pen. Collection: Louvre Museum. Léonard de Vinci - Codex Vallardi 2386