Duesenburgs

Arlington Sedan body by Rollston, described by the factory letter below
 supercharged, body by LaGrande
convertible sedan with glass partition between passengers and driver, body by Rollston, cost 17 thou when new, the most of any car at the show it was debuted at
 wow. If you have to impress an audience with a car, this would be the one
transformeable phaeton
found while digging through http://digitalgallery.nypl.org/