1929 Duesenberg Model J Murphy Convertible Coupe heads to auction

Before it was wiped out in the Great Depression, Duesenberg was one of the greatest American automakers. This 1929 Duesenberg Model J Murphy Convertible Coupe scheduled to be auctioned off by Mecum this March shows how the company achieved its stellar reputation. Much of that reputation was built on engines that were among the most powerful and…