The very last vestiges of the car company once known as Saab are up for sale, offering fans of the brand one last chance to own a piece of automotive history.Seven 9-3s have been put up for auction by NEVS, the successor company to Saab.There are three petrol-powered pre-production cars built in Trollhättan in 2014 with between 18,000 and 58,000km on the clock. Another is a Chinese-built NEVS-branded 9-3 EV with 38,000km on the odometer. These four cars were used primarily for “internal transport”.Camera IconSupplied Credit: CarExpertThe other three NEVS development prototypes dating from 2018 are even more unique. One…