Thanx phill, the info you sent was very helpfull. I now know I own a '55 cj-5. I'm still trying to determine if the serial # was the vin or if there were other numbers and letters that went along with it?
According to the VIN decoders in the links I've listed, a serial number of 57548 (almost smack middle in the span between serial numbers 45923 through 68815) would indicate a 1957 CJ5. Yes?
'55 CJ5's carried the serial numbers from 10001 through 27006.
The PREFIX for a CJ5 is 57548! His serial # is 23319.
Making his full VIN 57548-23319
I agree 1955 serial #s ran from 10001 to 27006 which 23319 fits comfortably between.