We stood there wondering for a while on that one. Still kinda am. There was a sister car to yours parked out on the grass. Both absolutely beautiful cars.
That is Bill Clark's. It's a lighter Bel II with bench seat less trim. He's the original owner. He raced it early one and got cheater carbs from Chrysler in 1966 for it.
He owns a auto shop in Alhambra and works on classic cars too: