yes, that´s a stock face plate without any modification. Togethet with the radio comes the correct black becel (diecast with chromed edges) that has been available in 67/68 for Camaros and Firebirds and that´s once again available as a correct repro part today. I had some luck and finally got my hands on a fine looking burlwood radio becel on ebay (after several frustating attemps, I have to admit..). No problems at all...
Here you see the fitment bofore installing the correct radio knobs:
