Bascinet helmet Low-poly 3D model is available on CGTrader for $35. Original author: Slelmi. Specs: 6993 polys, 3580 verts.
STL (Stereolithography, filesize: 38.2 MB), OBJ (OBJ, filesize: 600 KB), ZTL (Zbrush, filesize: 11.6 MB), PNG (PNG, filesize: 142 MB), OTHER (Other, filesize: 80 MB), FBX (Autodesk FBX, filesize: 213 KB)