The STP March Racing Team at the 1971 Woolmark (British) Grand Prix at Silverstone

The STP March Racing Team's March 711s at the 1971 Woolmark (British) Grand Prix at Silverstone. Drivers were Nanni Galli (20) and Ronnie Peterson (18). Gary Sprague is the mechanic in the foreground with his back to the camera. Jon Redgrave is standing in front of Peterson's 711, whilst chief mechanic Peter Kerr is standing at the back possibly talking to Robin Herd (17.07.71)