If the tire mount is original to the driver’s side location, then this may be a “Lefty”. There are no top bow holder brackets on the passenger side.

https://tucson.craigslist.org/cto/d/tucson-1948-jeep-cj2a/7663207106.html

“New rebuilt 1948 cj2a, original motor and transmission, in good shape, minor surface scratches and scuffing on the hood and a few in the back of the tub, other wise no rust on the frame, new powder coat on the frame, 3 speed manual L-143 original with omix rebuild parts. Upgraded radiator, showing 14 miles on new gauges. Runs and drives great. $9500 obo cash no trades.”