I have a latter 68 built Road Runner (Lynch Road, early May) When I got the car 25 years ago it had a black painted holder. During my restoration it looked to me to be factory crappy paint rather than rattle can artwork. Even though the car had custom paint when it was raced I doubt the guy would have spent the time to paint the plate holder... but you never know...
Do we know if the 69 RR/GTX/Satellites have black or galvanized? The picture is from the mid 80s
Jim