Yardley Team BRM at the 1971 Woolmark (British) Grand Prix at Silverstone

The Yardley Team BRM cars of Jo Siffert (16 - BRM P160) and Howden Ganley (17 - P153) at the 1971 Woolmark (British) Grand Prix at Silverstone (17.07.71)

Those in the picture left to right are: Dave Mason, Pete Bothamley, Gerry Van der Weyden, Alan Challis, (Unidentified), and Willie Southcott with his back to the camera.