[Lynn]

I can't say it is not authentic. However, here are some things to think about.
1. He should post a copy of the window sticker.
2. Most ex drag cars are in much better condition. I would expect a car that was trailered from the dealership to get better care.
3. His father in law bought it new. Has it changed hands multiple times since?
4. Does father in law still have P.O.P?
5. Special paint would be the correct code for a late 68 if it was ordered black.
6. I didn't see a date code on the heads.
7. Should a 68 have the positraction decal on the deck lid, like a 69?

I am sure some of the other guys here will think of many other questions to ask.

Lynn