Rare 1967 Mr. Norm's 383 4 speed dart

Mr. Norm's guys built a 383 Dart and got the ball rolling with Chrysler to get the big block A-bodies into production.
As for the 67 mentioned in the beginning of this post, it's a rare car, no matter where it was sold from. If the guy who has it has some paperwork with the car stating that it was sold new at GSD, even better. Larry Weiner has the dealership paperwork for GSD but I think it only goes back as far as 68.
If the owner of this car does have paperwork from GSD, there is a chance that it will show any modifications done to the car prior to it being sold that could increase it's value since it's documented. There is that slim chance that the car you found is THE original "GSS" 383 Dart, as that's what they were calling it. It would have been a 273 coded car. What color was this car you found? Pictures would REALLY help here too.