Hello! Mid and low poly versions of skulls I generally use in my projects, sculpted myself and retopologized, not entirely realistic.
It comes with 3 slightly different sets of textures and in the blend file, you can find the multires version and full res 4K textures.
Check it out here: https://sketchfab.com/3d-models/human-skull-highlow-88b3a5ab5cb74e559b51b5aaf1790daf