Don’s got this Spen tailer for sale. If I’ve seen one with the original hubcaps, it was a while ago.

https://charlotte.craigslist.org/tro/d/shelby-1947-spen-trailer-willys-cj2a/6913216894.html

“1947 Spen Trailer in Very Good Condition. Scarce Spen trailer with even scarcer Spen hubcaps. New period bias ply trailer tires. Has a some rusty areas and someone has welded in a steel floor. Could be restored or use with the patina look. Great to pull behind a Willys CJ2A, CJ3A or other Jeep. Have NC title. $1200 Pick up in Western NC.”