Going to a Mopar Gold Mine...
I don't see anyone saying how many years of man hours it will take to put that Challenger back together.
It is worth what someone will pay. To me the car is a basket case, and requires too much time money and man hours to make something of it again.
On a lighter note I have already owned a low mile '73 Barracuda 340 back in the day, 1976.
Was fortunate to have experienced what the e bodies are all about. So I have already had my e body fix. Nicest handling car I have owned.
Buy it to resell so somebody with deep pockets can fix it, now that's a possibility.