Could the "Flying Mustang" become the most-expensive Mustang ever? The first 1965 Shelby GTR350R Competition Model is heading to the Mecum Indianapolis collector car auction in June 2020. Mecum announced that the car collection of John Atzbach—highlighted most notably by the first 1965 Shelby GT350R Competition Model built, known as the “Flying Mustang”— will headline Dana … [Read more...]