This is an interesting CJ-3B body. Either it is some strange aftermarket body or it’s an MB body that’s been modified with a higher cowl to mimic a CJ-3B body.
“1953 Willys CJ3B tub, fenders, hood, and grille. Sitting on later model CJ frame and running gear. Both have been narrowed to fit the tub width. Have Washington state title. $550 obo.”
https://seattle.craigslist.org/est/cto/d/1953-willys-cj3b/6295815268.html