How rare is this car?

440 outlaw: yes the car will be going back to QQ1 red
mullinax: yes the trim is missing on the windshield and some conveterd the rear already so already planned on a 68/9 swap
67 signet: Strangely the VIN and tag confirmed its a real GT 273 4bbl but has a 7 1/4 rearend! I doubt with how untouched this car is that rear has been pirated so Im going to assume it was ordered this way, Im gonna check the tag and hopefully theres a build sheet to confirm this.
Berlins I might be interested in them, how much you lookin to get for em?