These are called "Sharp" wire wheels and they were made by my dad in the mid-80's after he sold McLean. He designed this hub purposely to be able to do many different spoke patterns with the same hub. This pattern in particular is probably the most rare.
I got cragar rim's on my car, and a 350 motor. Picky ass bunch of guys. Must be hard being perfect. Look aftermarket to me. Like wheel vintiques,