OK, I stared at the '67 Factory Service manual for a while and I am pretty sure that's a smog pump base bracket bolted to the front of the RH head.
That's would make this a roughly 1 of 1500 or so 400 model built for California.
I also noted the empty holes for a console clock. Other items after a quick pass through the photos are the trunk being way too light a shade of gray splatter, aftermarket exhaust w/o a cross over, and the aftermarket power antenna.
Nicely optioned.
What's that small metal can mounted in the lower middle of the LH inner fender in the engine bay?
The small metal can is the windshield washer fluid pump!
After getting the protecoplate it was sold new in Palo Alto California So yes verified California car.
To my somewhat disappointment it was originally turquoise with a white vinyl top.
Few kinks to work out needs a complete brake job and thinking about ditching the stock 4 piston calipers since upon inspection looked to be seeping a little