I've resolved things with the seller and are keeping these; I'll bring them to the meet.
Tjalling has first refusal on 2, there will be one more.

There's also a broken one (one of four retaining lugs missing) that also doesn't have the metal ring and is discoloured from a likely lacquer respray.
This might be salvageable and certainly could fit (after repainting) for "show".

A final thought on that last one; if there's much demand maybe it's useful as a model/comparison for another MJ 3D printing project?

Funny you mention that - I'm doing a commission for a set of custom centre caps at the weekend :) Getting the spring in the retaining lugs is the real challenge with these since the layered nature of FDM printing doesn't lend itself well to bending. I have some ideas though +++

Optimism rules.

So, sadly Tjalling didn't make it to the meet and I still have these; I'll dispose of them elsewhere unless there's some interest here?