1929 Duesenberg Model J ‘Disappearing Top’ Torpedo Convertible Coupe 15 January 2021 1929 Duesenberg Model J ‘Disappearing Top’ Torpedo Convertible Coupe by Murphy (Est. $3,500,000 – $4,000,000) Auction: RM Sotheby’s Amelia Island 2021 Ryan Merrill ©2021 Courtesy of RM Sotheby’s