Leonardo da Vinci

Compositional Sketches for the Virgin Adoring the Christ Child, with and without the Infant St. John the Baptist; Diagram of a Perspectival Projection (recto); Slight Doodles (verso)

1480–85

Silverpoint, partly reworked by the artist with pen and dark brown ink on pink prepared paper; lines ruled with metalpoint (recto); pen and brown ink (verso)

19.3 × 16.2 cm (7.6 × 6.4 in)