For Barrett Jackson auctions, provenance can boost the sale price of a car by a whole lot. This 1986 Ferrari Testarossa Convertible didn't really belong to Michael Jackson, but he did drive it in a Pepsi commercial in 1987. It was originally a Testarossa Spyder and was converted specifically for Mike and that project...because he is Michael Jackson. There is no way to know how much time he spent in the car, but hardcore fans will rewatch the video below and throw their wallets at the screen.

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[via Jalopnik]