Shelby never officially built a 1967 GT500 convertible — except, according to owner and Shelby historian Brian Styles, this one. Backed by his own research group dedicated to documenting that exact model year, Styles walks through the paper trail behind a car that reportedly sold for $775,000 at auction, stunning a room that expected far less. Watch to see the evidence for one of the more compelling ownership stories in Shelby history.