Here is an update:
Tried to rewire it back to normal per the picture on Fly's website. I think I have it right but now can't tell if the pickups are functioning correctly.
It is serial number 83417683
Ferrari Red (well used to be, but the paint is really bad)
The Steinberger signature and 20/20 on the upper horn are still decent.
The pickguard has a hole in it for an afternarket toggle and the corner by the upper horn is broken off.
I had to replace every screw on the pickguard as well as all the hunbucker screws and springs. It was missing all the springs and the screw heads were stripped.
All the tuners work. Thanks to Roger at Sperzel, I have replacement spacers and knobs on the way, so the tuners, once I straighten the one post, will all be back to good function.
I'm on the fence with painting this, as the paint is really bad.
I'm still glad I rescued her from some guy in Baja Mexico, but I might go onto the PayPal and dispute the charge.
tom