Check out Medieval Helmet 10 3D model on CGTrader for $29. High-quality Subdivision ready mesh by Polygate: 8292 polys, 8331 vertices.
OBJ (OBJ, filesize: 1000 KB), MA (Autodesk Maya, filesize: 1.07 MB), FBX (Autodesk FBX, filesize: 513 KB), 3DS (3D Studio, filesize: 457 KB), MAX (Autodesk 3ds Max, filesize: 23.9 MB), C4D (Cinema 4D, filesize: 1000 KB), BLEND (Blender, filesize: 1.95 MB)