In the pic on the back of the color samples of the license plate, only one color of enamel when it is subject to years of engine heat cycles is going to add a greenish tint & turn into another color represented. I'll give everyone a clue, the late '73 paint formulation is not it!
Its also amazing that transformed color just so happens to be evident in a high gloss form in the samples shown... why the high gloss on that particular paint sample? Is it because it looks pretty? I know Bill O can answer this, the question is for the rest of you