Check out Shield Round Low-poly 3D model on CGTrader for $10. High-quality mesh by kilowhat: 878 polys, 823 vertices. Textured, UV Mapped.
STL (Stereolithography, filesize: 64.5 KB), OBJ (OBJ, filesize: 78.2 MB), FBX (Autodesk FBX, filesize: 111 MB), TBSCENE (Marmoset Toolbag, filesize: 19.5 MB), UASSET (UnrealEngine, filesize: 27.8 MB), UNITYPACKAGE (Unity 3D, filesize: 52.7 MB), MAT (mat, filesize: 52.7 MB), BLEND (Blender, filesize: 33.6 MB)