1967 United States Grand Prix. : 1967 United States Grand Prix. Watkins Glen, New York, USA. 30/9-1/10 1967. Jo Siffert (Walker-DDurlacher Racing/Cooper T81 Maserati) 4th position. Ref-67 USA 19. World Copyright - LAT Photographic
1967 United States Grand Prix.
Watkins Glen, New York, USA.
30/9-1/10 1967.
Jo Siffert (Walker-DDurlacher Racing/Cooper T81 Maserati) 4th position.
Ref-67 USA 19.
World Copyright - LAT Photographic