find link here to what I think is 8MA502. I had tons more pics but cant find them.
http://www.provamo.com/Members.../R8MA502/R8MA502.asp
then look at http://www.provamo.com/Members...1218/Unknown1218.asp which is probably 8MA504 or 8MA506 and you can see the evolution of the first few cars to the model we know
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