The AMC AMX Fiberglass Prototype Is For Sale The car for sale here is the only AMC AMX fiberglass prototype to survive and it has a fascinating history. As happens many times with cars the human element has made a big difference if not for an AMC car lover (Domenick Jiardine, Jr.), who was also an AMC employee, and a sympathetic AMC executive (William Luneburg, president & COO of AMC) this car would have been burned with the other fiberglass AMX prototype and thus would not exist today. Most car prototypes are not allowed to be sold to the public. The AMX Prototype for sale here represents a unique opportunity to own a piece of history. Image Unavailable, Please Login Image Unavailable, Please Login