There is another one but not die cast It was made in machine turned aluminum sections and alu castings by John Alcott, one of the founders of Veteran and Vintage Models. Long out of business. The models, and rightly so, were very expensive, but certainly didn't cover the costs in labor.
Alcott, I had heard, made at the most 20 of all the different variants.
A master piece IMO.
Western's model, though made in the same 1/200 scale, is different and was produced in heavy metal and in greater quantity. Alcott's model in aluminum weighs almost a pound, wonder what Western's weighs?
here is the forum post I made showing one version
viewtopic.php?f=8&t=851