Only four Ferrari 290 MMs were ever built for sports car racing, and this example carries period race history including outings at the grueling Mille Miglia endurance race.
Its rarity alone would have made it valuable; its driver history made it a record contender.
Its connection to Fangio, still regarded as one of the greatest drivers in motorsport history, helped push the 2015 sale to $22 million.
Proof that at this level, provenance can be worth as much as the machine itself.
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