Quote: Took this pic . from my " NOT RESTORED " '70 T/A. If you look real hard through the rust you will see the screws. I've had this since early '73 so I know it hasn't been touched. Man I wish I had some Money! I'd be on it! Hope this helps. Kev
My Blue 70 Challenger is an early car and had 1 repaint in the 80s but is basically unmolested. I wonder if they varied at the factory any. Mine does match yours on your T/A.
you will see the screws. I've had this since early '73 so I know it hasn't been touched. Man I wish I had some Money! I'd be on it! 
Hope this helps. Kev 