Leonardo da Vinci

Head of a Young Woman (Study for the Angel in the "Virgin of the Rocks"), about 1483–85.
Leonardo da Vinci (Italian, 1452–1519)
Metalpoint with touches of white opaque watercolor on prepared paper
Turin, Biblioteca Reale
& my Montenegrin, pencil on paper 2019, Montenegro
https://youtu.be/C3LK5ELvZwI