Deep-pocketed buyers looking for an extreme track car have a rare chance to snap up a Maserati MC12 Versione Corse. The MC12 Versione Corse is the track-only version of Maserati’s MC12 supercar from the mid-2000s. It was launched in 2006 and just 12 were built, plus a prototype, and now one of them is listed for sale on duPont Registry. The car is…