See the story of this 1934 Graham - what makes this particular one valuable is that it has never been restored, painted, or had any significant work done to it, making it the only “surviver” of its kind in the world. The Porsche 356 had the most powerful engine Porsche produced in 1939. Designed by Ferry Porsche, son of Ferdinand, this is the revolutionary sports car that would define Porsche for the next 70 years.