While having my coupe in for its annual fluid service I spent some time under the car with a flashlight and my mechanic; we checked ALL the suspect areas for rust—it might be buried deep because I don't want to go out on a limb and declare the car rust free, but I was so pleased I immediately called my insurance company and raised the agreed value...
Sales like this might be an anomaly but are still a good sign; like with all marques, a well-sorted example is worth every penny.