I have two models that I found amidst a collection I am sorting that appear to be pre-production models. At least I cannot find their current manifestations in any of the references I am using. I figured I would list them separately here with pictures and ask the experts.
Here are the pics of the Rolls:








To me, this is the most interesting angle. It is obvious that there is a repair to the cast. I would expect to read about this somewhere but have not as yet.

Thanks as always for any thoughts you all have.
Kevin C