THE KONRAD MOTORSPORT. PORSCHE 911 GT1. PRO SHOTS FROM LE MANS 1997. 2 X 35MM SLIDES. GRADE ALL THE BOOKS OUT OF 25 TO TRY AND GIVE AN ACCURATE IDEA OF CONDITION.ANYTHING OVER 20 IS PRETTY DECENT. CHAPARRAL, GT40 AND OF COURSE THE 917 ARE ALL MY LOVES.