Listed under varying years (1948, 1953, & 1954), this is looks to be an M-38 Chassis, which means it is none of those years (1950-1952).
https://austin.craigslist.org/cto/d/johnson-city-1954-willys-jeep/6853329307.html
“1948 Willys Jeep, flathead 4cyl.everything rebuilt ten years ago by professional military Jeep mechanic. Never finished out. Over $3000 in parts.”