Check out Prop251 Skull Helmet 3D model on CGTrader for $12. High-quality mesh by balucg: 3360 polys, 3407 vertices. Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 7.3 MB), BLEND (Blender, filesize: 2.88 MB), OBJ (OBJ, filesize: 2.75 MB), FBX (Autodesk FBX, filesize: 11.5 MB), GLTF (glTF, filesize: 2.76 MB)