Bill, Mr Mustang will be the one to be able to give you the answers, but I have a book on the 1964 through 1970 Mustangs and everything I see you gave in the VIN and door plate number match except the 6 that you give for body color. In my table 6 is shown as Pastel Grey and D is Acapulco Blue. My book shows the interior as SR,Lux,Buc. Which means Sports Roof, Deluxe, with bucket seats.
But as I said, when Bill sees this he will be able to answer your questions. That is a nice looking car.
Ron