The November 1953 issue of Cars Magazine contained this two page article. Note the jeep on the lower right of page 2. See the rear extension box. It’s got a matching cover that connects with soft top.
This issue of Cars Magazine had a few more jeep references. Below are short descriptions of an electric seep, a photo of right hand CJ-3Bs used by the Post Office, and a look at the rolligon.
This short article shows one way to float a Mighty Mite.