Head of Shiva is a Khmer Sandstone Sculpture created between 900 CE and 925 CE. It lives at the Musée Guimet in Paris. The image is in the Public Domain, and tagged Deities and Gods, Shiva, Trimūrti, Sculpture and Heads. Source
This sandstone head of Shiva was found in the Prasat, or temple at Phnom Bok — a hill northeast of the Eastern Baray (a man-made lake) in Cambodia.