One thing to bear in mind is that we are talking about cars that were built 50 years or more ago. Lotsa carpets got replaced in that time. Sometimes more than once.
True dat! I can vouch for the Dart Sport, it was ran into the ditch and bent the car in 1/2 on the drivers side sometime in 1974. That accident would be an easy fix today, but it took it off the road for good back then.