$28 Chinese knocker Low-poly 3D model by a757374307. Available on CGTrader with 590848 polys and 602064 vertices. Check it out on CGHub.
MAX (Autodesk 3ds Max, filesize: 27.6 MB), OBJ (OBJ, filesize: 22.8 MB), FBX (Autodesk FBX, filesize: 41.2 MB), STL (Stereolithography, filesize: 53.2 MB), 3DS (3D Studio, filesize: 10.9 MB), SKP (Sketchup, filesize: 29.5 MB)