Caption:
'Landscape drawing for Santa Maria della Neve on 5th August 1473', (1943). The Arno River Valley and Montelupo Castle in Tuscany, Leonardo's earliest-known drawing, made when he was 21 years old. Drawing in the Uffizi Gallery, Florence. From "Europäische Handzeichnungen", (Five Hundred Years of European Drawings), by Bernhard Degenhart. [Atlantis-Verlag Berlin, Zürich, 1943]