Is Janis Joplin’s 'History of the Universe' Porsche 356 Worth Half A Million Dollars?

While she was singing about Mercedeses, Janis Joplin’s Porsche was her coolest car. This thing might just be the greatest art car this side of Andy Warhol’s BMW M1 Le Mans racer, and it’s going for auction in two days, estimated to fetch between $400,000 - $600,000. Have a look at what you’re getting for your money.