It's like going back to the dealer in say, 1969 or 1985 and taking it off the lot. As long as they don't go for stupid money I'd drive it like I just bought it new.
'64 Parisienne CS "barn find" - last on the road in '86 ... Owner Protection Plan booklet, original paint, original near-mint aqua interior, original aqua GM floor mats, original 283, factory posi, and original rust.