Check out Skulls On Spikes and stakes Low-poly 3D model on CGTrader for $15. High-quality mesh by Emhyr: 4866 polys, 2848 vertices. Textured.
MAX (Autodesk 3ds Max, filesize: 7.11 MB), OBJ (OBJ, filesize: 7.11 MB), FBX (Autodesk FBX, filesize: 7.11 MB), 3DS (3D Studio, filesize: 7.11 MB), STL (Stereolithography, filesize: 7.11 MB), DAE (Collada, filesize: 7.11 MB)