This might have a replacement body.

“1/4 ton 4 wheel drive truck 4WD 4×4
MANUAL transmission (3 speed) moved from the column to the floor
ROCK solid body is in great shape
ZERO RUST/BONDO
Paint is great
Canvas seats/top in excellent condition (top is removable)
Glass in excellent condition
Tires in great condition
Electrical has been converted from 6v to 12v system
Includes: spare tire, gas can, field tools”

https://milwaukee.craigslist.org/cto/d/1946-willys-cj-2a-jeep-army/6312055978.html