The convertible in the lower picture is too low in the front and too high in the rear. The helper springs on the rear leaf springs are visible as well.
Not to demean your car, but it appears that a Dart Charger is a GT with Charger emblems strategically placed. I finally got to checking my '65 Dart GT folder and I'd take a wild stab that the brake drums have either been painted black, or the original photos themselves have been touched up to make the drums look black.
I agree that the way the drums have been painted suggests it was factory done, as opposed to home done. Chrysler engineering was just about frantic that there be no paint on mating surfaces anywhere on a car - hose nipples and from the looks of those red and yellow drums, not anywhere on the contact patch between the back of the wheel spyder and the drum face.
Perhaps because the Cragar wheels are so open, somebody decided that the drums needed to be painted to at least put off the eventual discolouration and unappealing look of rusting iron and steel.
As for the radio antenna, a NOS service/parts replacement antenna is highly unlikely to be a match for a NOS production antenna. If you're determined to have an original style antenna, you may be looking at rebuilding/restoring a known original part - regardless of the part numbers on the service parts packaging.