If I recall, for that year there should be a rectangular aluminum data plate on the firewall, above the steering column that says "Kaiser Aluminum Products" or something like that. Check that for the VIN (which may not have any letters in it). Also look on the driver's side rear fender well (inside the Jeep, on the slope of the fender well, right behind the driver's seat). I've seen them there too but those might have only been on Willys, not Kaiser Jeeps. Best of luck - John