Check out Tombstone low poly 3d model gravestones Low-poly 3D model on CGTrader for $15. High-quality mesh by Kritrimvault: 3385 polys, 6546 vertices. PBR, Textured, UV Mapped.
MA (Autodesk Maya, filesize: 290 MB), OBJ (OBJ, filesize: 290 MB), FBX (Autodesk FBX, filesize: 145 MB), MA (Autodesk Maya, filesize: 290 MB), GLTF (glTF, filesize: 108 MB), TEXTURES (Textures, filesize: 145 MB), PNG (PNG, filesize: 145 MB)