Are all the hoops facing up? Did you use old liner as template? I'm assuming the roof is similar to my NK coupe, where the rear panel gets attached, and then the whole thing pulls forward to swing the hoops up and take out the slack. Your's seems to be drooping.
Errr.....they're stored horizontally while in the car for 50 years.... i suspect the reason is less shelf space per stored crank. Earthquake could be a probem.
You'll be fine. I would use an oil fog spray myself.
If it's a ti, that changes the equation a bit. Does it have a serial number?
Looks like the seller bought a drum of white paint. And is very pleased with the rear end.