Peter D. Williamson Bugatti Type 57S Atlantic – $30-$40 millionIf you thought the Bugatti Type 57S above was expensive, then check out this piece of phenomenal piece of Bugatti history. The Bugatti Type 57SC Atlantic was based on the “Aérolithe” concept car. The Aérolithe’s Electron and Duralumin construction required external riveting, resulting in a distinctive seam not unlike a dorsal fin. Despite the Atlantic’s aluminum construction, which required no such riveting, the seam was retained.Only four Type 57SC Atlantics were produced and only two have survived to this day. Fashion guru Ralph Lauren owns one while the other was owned by late...