Seller notes this was a Navy jeep. It likely has a Navy dash plate.
https://www.facebook.com/marketplace/item/5687645714591348
“This willy’s was originally blue, used by the Navy. Original engine and transmission 4×4, high and low. Also front original winch and hitch 3 speed manual transmission. Paint and some electrical had been done 3 years ago. All interior painted with bed liner paint. No rust, also before paint there was no rust. Always garaged in a dry area, was not used to much, only for show purposes. All original gauges and original dash plates for transmission instructions. Still has the foot push button starter. Runs perfect Registration up to date and clean title . Selling as is.”