Listed as a ’46, I think it could be a Lefty ’48. The grille is post ’46 and the driver’s side is set up for a spare tire holder.
“1946 CJ-2A, runs good, body good, no rust through, brakes poor. Would make a great restoration project or use as is.”
http://newlondon.craigslist.org/cto/5651961302.html