Source - Blackhawk Collection
More info:
This 1980 Porsche 930 S Turbo Flat Nose Prototype was offered for sale at the 2007 Blackhawk Collection Exhibit held at the Pebble Beach Concours. It carried a price tag of $250,000. The VIN is WP0222932ZBS000136
This is the original factory prototype of the 930 S Turbo Slantnose. It was created by Porsche at the request of a German Businessman in June 1980 and first registered on the 23rd of October 1980 at a cost of $100,000.00. This car can be found in most books written on Porsches and is described as the first and only one produced that year.
Source - Blackhawk Collection