The front frame rails look like they’ve been worked on some. This likely has a reproduction body.
https://appleton.craigslist.org/cto/d/1951-willys-jeep/6613884792.html
“1951 Jeep
GM V6
chrome long tube headers
does not run or drive
Stored for many years
new steel body
all the parts are there
stainless windshield frame and hood
tires like new
$4,500 or best offer”