Curtiss JN-2 Jenny US Army (Polygon mesh 3D model) is available on CGTrader for $89. Original author: Dreamscape. Specs: 259102 polys, 130347 verts.
STL (Stereolithography, filesize: 3.98 MB), OBJ (OBJ, filesize: 3.59 MB), MAX (Autodesk 3ds Max, filesize: 408 KB), 3DS (3D Studio, filesize: 503 KB), LWO (Lightwave, filesize: 510 KB), OTHER (Other, filesize: 2.33 MB), 3DM (Rhinoceros 3D, filesize: 1.59 MB), TEXTURES (Textures, filesize: 2.23 MB), DXF (DXF, filesize: 3.55 MB), DWG (AutoCAD, filesize: 3.25 MB)