This is a genuine original SILVERSTONE KOSSET WORLD MANUFACTURERS 6 HOURS Sunday May 11th 1977 Qualifying& Supporting Races May 14th advertising poster with a picture of the famous Martini livery Porsche RSR which I purchased from a 19 year old fan at the time who had this up on his bedroom wall.It is in a very good condition with some fold creases and light discolouration and it’s overall measurements are 75cm long x 50.5cm wide.
