Sam Posey – F1 1971 USA GP with #17 Helmut Marko, too with Graham Hill. Photo Chris Wohlwend 1972 USA GP. Photo Robert R Perron 1972 USA GP. Photo Robert R Perron 1972 USA GP with Tim Schenken. Photo Norm MacLeod 1972 USA GP. Photo Norm MacLeod 1972 USA GP about Sam Posey
