The Porsche 911 Cabriolet once owned by Brazilian Formula 1 driver Ayrton Senna has been put up for auction, and bids have already surpassed $400,000.
Read MoreThe Porsche 911 Cabriolet once owned by Brazilian Formula 1 driver Ayrton Senna has been put up for auction, and bids have already surpassed $400,000.
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