Part of the problem about this is that in the past, nobody cared or didn't check. Things change a lot when you start selling once discarded Bronco's for a quarter of a million dollars. There are a a lot of dishonest people in the game. I used to have several vintage race cars. This happened all the time as the value grew. A discarded frame was revived into a new car and the body with the vin and new chassis was another. When proof of who owned the real one surfaced people started paying attention and did not know what to do. Two cars, same VIN. I am sure there are plenty of old frames on vehicles that don't match the body. How much exposure are the high priced buyers willing to take. So in the case of the one above, where did the frame go when they used a new one?