One of the most unique, radical-looking cars of the 1950s was never meant to sell cars; it was meant to sell aluminum.

Honoring the rich history of the Bay Area and its legendary ties to the motorsports world, the late-June 66th Hillsborough Concours d’Elegance -–the world’s longest continually running concours—will present a special educational seminar highlighting four historically significant race cars.The Concours will take place on Sunday, June 26 at the Crystal...