WOW.....1st off 1967 or earlier are the best ones....this one is the bomb....You can get a convert in primo condition for 15K but this car goes beyond that...25K easy....
68 started all the Safety requirements (headrests, padded dashes etc)
33,000.00 to restore is a stretch, I would not spend more than I could get back at some point, but to each his own....
I also wouldn't own a car that was so nice I would be afraid to drive it, so unless you were going to "show rather than go" I would probably pass, because there is someone who would be willing to pay big dollars and end up losing money....
I sold my 67 coupe for 5K a few years ago, It was a nice one, but nothing in comparison