UPDATE: Still Available. As Colin notes, Jeepster weren’t produced until 1948.
(08/04/2023) This is pretty unique and appears well done.
https://www.facebook.com/marketplace/item/248454827992001/
“Trailer made from a 47 jeep Willy’s “Jeepster” Flat griddle grill under the hood, propane bottle, big ice chest, old school centerline wheels with spare, good tires, light and pulls straight and easy. 2in ball. 2,500obo or trade”