A lot of people and adverts mention Kardex information which i assume is the original porsche factory specification of each car produced.

How can one obtain the Kardex (preferably a photocopy) of an early model (1968 911L in this case)?

I have a Certificate of Authenticity for my car but copies of Kardex's I have seen online seem to have more information.

Thanks in anticipation

Graham

Polo Red 1968 911L Sportomatic RHD