Seven, including the prototype, were finished in orange ... Mustang is one of the rarest Mustangs ever and costs $25,000 new. Tune in to the sale in January to see how this one-off black version ...

This wasn't just any Mustang; it was a fiery orange and black beauty, a custom paint job that some say paid homage to Willie's home state of Oklahoma. Under the hood lurked a growling 6.4-liter V8 ...