Looking at an E body 70 challenger

Its a non RT car with a 383 so no dual valance i thought with non RT model? or could be CA car.
where do i find engine vin?
found casting number on side of block codes to 70 383 carb also 4732 AVS
I believe the vin is on drivers side oil pan rail :56311-2e4f6193ba813cc5b3f12b8be9b54219.jpg
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