Check out Gravestones Asset Pack Low-poly 3D model on CGTrader for $40. High-quality mesh by meerschaumdigital: 6692 polys, 6837 vertices. PBR, Textured, UV Mapped.
STL (Stereolithography, filesize: 649 KB), OBJ (OBJ, filesize: 921 KB), DAE (Collada, filesize: 1.69 MB), GLTF (glTF, filesize: 111 MB), FBX (Autodesk FBX, filesize: 501 KB), PLY (Ply, filesize: 350 KB), TEXTURES (Textures, filesize: 29 MB)