I think people are getting "original condition" and "fake" confused.

More to the point, how many Sandmans have already been through mega dollar rebuilds and the owners have assumed they have the original bodies? That ute in the Euchca car museum could just as easily have been rolled in the first week of ownership and had a insurance re-shell with the correct new body.

The point is that not one Sandman could ever be proven to still have its original body. You could no doubt prove it has the correct body, but not the original body.