3432874 Compositional Sketches for the Virgin Adoring the Christ Child, 1480-85 (silverpoint) by Vinci, Leonardo da (1452-1519); 19.3 x 16.2 cm; Metropolitan Museum of Art, New York, USA; (add.info.: Sketches with and without the Infant St. John the Baptist; Diagram of a Perspectival Projection Silverpoint, partly reworked by the artist with pen and dark brown ink on pink prepared paper; lines ruled with metalpoint ); Italian, out of copyright.