The Head of the Virgin in Three-Quarter View Facing Right
The Head of the Virgin in Three-Quarter View Facing Right is a drawing on paper in Pierre noir pencil and red chalk, attributed to the Florentine painter Leonardo da Vinci and kept at the Metropolitan Museum of Art in New York. This drawing, whose dimensions have been reduced by the removal of certain existing parts at the time of its creation, is a portrait of a woman's head.
Source: Wikipedia — The Head of the Virgin in Three-Quarter View Facing Right (CC BY-SA 4.0)