I was just browsing the Porsche PET system and found a section called CLA, Classic parts
In there there is a part number for Porsche Script Seat Material 2m X 1.5m
they do it in both Black and Midnight Blue
Black PCG 043 204 90 2CZ
Blue PCG 000 000 00 4GP
£246 a lump
they also do the number plate surrounds with Porsche Classic on them
PCG 701 201 00 @ £11.12 each
Porsche Classic First Aid Kit
PCG 800 702 00 @£28
and number plate covers for shows
@£32 a set
944 PCG 701 944 00
924 PCG 701 924 00
928 PCG 701 928 00
968 PCG 701 968 00
you can guess the rest