Check out German burgonet helmet Low-poly 3D model on CGTrader for $10. High-quality mesh by pulex1: 5552 polys, 5864 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 1.68 MB), OBJ (OBJ, filesize: 1 MB), FBX (Autodesk FBX, filesize: 413 KB), 3DS (3D Studio, filesize: 344 KB)