United States Grand Prix - Detroit 1986; An official race programme signed and autographed by four World Champion drivers including Ayrton Senna, Nigel Mansell, Alain Prost and Nelson Piquet; this race was won by Senna in the Lotus Renault from Pole Position, despite dropping down to 8th with a puncture, but working his way to the front as others suffered various misfortunes.