Head of Plato is an Ancient Greek, Marble Sculpture created in 370 BCE. It lives at the Glyptothek Museum in Germany. The image is in the Public Domain, and tagged Busts and Sculpture. Source
This head of Plato is copy after a sculpture by the Greek sculptor, Silanion. In c. 370 BCE, Silanion was commissioned by the Persian general Mithridates to create the idealized portrait for the Academy of Athens.