This is a basic fan-art 3D scan of the marble portrait of Alexander the Great in the British Museum: item GR 1872.5-15.1 (Sculpture 1857), said to be from Alexandria from the 2nd - 1st Century BC.

https://www.britishmuseum.org/collection/object/G_1872-0515-1

If you like this 3D model please read more about it on my blog:

https://parth3d.co.uk/portrait-of-alexander-the-great

Please note that this scan is provided without any license for commercial use.