Not all original. I’ve never seen a rear PTO modded like that. Someone added some bracing.
https://fingerlakes.craigslist.org/cto/d/1947-jeep-willys-antique/6644161813.html
“This is a Desert fresh 1947 Willys jeep all original, minimum rust from Arizona. Runs good new radiator . All original body except windshield from c1950 jeep. needs brakes and fuel tank cleaned. New gauges, many extra parts including: carburators, starter, cables, 2 rims and tires.”