IMO:
If the induvidual has already owned a 124 and knows what they are all about then this would be one to purchase and not to drive about. They'll have another for that job.
Only collectors are going to pay this sort of dosh for it i would think. Dont you think? Who would want to pay 20k for this where most people today would rather spend their monies on their 'newer' to them car.
Given its past history, its been a show piece already, the next owner im assuming would want to keep it up. If that was me i would.
I'd just have another 124 in my collection to ride around with while this stays as it is. Some might say its a waste? But for the induvidual concerned maybe not so.
Im not saying dont completey shut it out, once in a while yes maybe, but thats it.