Leonardo da Vinci
Jean-Claude Auguste Fauchery, 1831
Leonardo da Vinci, 1800
Leonardo da Vinci, 1645
Leonardo da Vinci, 1470
![Study of a Madonna [verso]](https://api.nga.gov/iiif/942425d5-018d-44a9-ba87-dfb0057226b7/full/843,/0/default.jpg)