But whatever brand equity Fiat ever had in the US diminishes year by year. In race cars, events they've run in and who drove them make all the difference. Add as any points for your car as you find appropriate. My car was last owned by Lambertville, NJ's favorite restaurateur, so maybe I get .05 of a point. In general, this doesn't help most 124S cars.
Cleanliness is next to godliness.
Buy cars that are either in good, completely original condition or have already been subjected to a high-quality restoration. Add points as appropriate for your own car. This criteria doesn't specifically enhance the desirability of Spiders in general. Score is still 2. Love it or leave it.