$2.99 Heinkel He 111 3D model by Vejtasa-Vojtech. Available on CGTrader with 110000 polys and 110000 vertices. Check it out on CGHub.
OBJ (OBJ, filesize: 301 MB), BLEND (Blender, filesize: 301 MB), FBX (Autodesk FBX, filesize: 292 MB), DAE (Collada, filesize: 314 MB), GLTF (glTF, filesize: 26 MB)