The staggering sale price sets a benchmark as the highest price ever paid for a Porsche 356 at public auction. Pearl, as Joplin was often called, bought the German auto at a used car lot in 1968. She went on to enlist Dave Richards, of Big Brother and the Holding Company fame, in customizing the vehicle with a "History of the Universe" mural. When completed, psychedelic imagery covered the body from headlights to tailights.
http://www.nydailynews.com/autos/news/janis-joplin-porsche-sells-record-1-76-million-article-1.2462733