Trunck floor gap in my 1969 cuda

I bought the car off the second owner and he thought it was original. I have seen something on the fender tag that mentioned something about the paisley but dont have the new G... G.. books to decode. I had deluxe interior and no mod inserts only the paisley looking stuff. I was a transparent tape with the black designs showing through. Oh well, will try and post pics of it.
Need to see pics,but it sounds like the car has the factory interior(I can't remember exactly what it's called,my brain hasn't started working yet-5:30am)