Perusing sales at Holts, I noticed this Mk3 deluxe version, which I did not know existed. This might be one for Garvin, unless he already has one on his website:

https://www.holtsauctioneers.com/asp...189871&image=8

It was a 1974 model, in excellent condition, and sold fro £640, I think it was.

Rgds
A

https://www.holtsauctioneers.com/asp...189871&image=8