Legendary actor Gary Cooper's 1929 Duesenberg Model J-431 Derham Tourster. The chassis of the vehicle was assembled at the Duesenberg Indianapolis factory in 1928, with a J-403 engine. It would remain in the factory inventory until 1930 when it was shipped to the Derham Body Co. in Philadelphia. Derham fitted a body on the chassis that was designed by Gordon Buehrig, and was initially built with a green ostrich leather interior. It was then sent to Chicago to be shown as the Duesenberg show car