this is Edna's old plate, as you can see its riveted on the vehicle before paint so is the colour of the van, in this case Flash Metallic Silver LP7Y - sales code X9, same colour all over so X9X9, KN is interior code in this case light grey/black M53 Upholstery fabric tweed instead of artificial leather Caravelle CL
First line is build date week 6, day 7 = Sunday, 6107th vehicle down the line , for delivery to 136 = Audi dealer network S Germany Vehicle Type 255 LHD Caravelle, MC7 Syncro Caravelle upgraded from base C to CL spec because of added options and 2.1 MV engine with standard petrol 4.86 final drive transmission
The Dutch forum teedrie.nl has really good look up resources for codes, if tee3.com is still there then brickie/Michael posted various pages of the codes too translated into English, most info is in Etka or Etos for those that have it but not quite fully comprehensive