I'm guessing this was the 2nd owners first day with it
.... because it already has plates. Why the white over the black? Gary knew as I'd forgotten, those were paper plates, or what's left of them, I've only seen one before http://justacarguy.blogspot.com/2015/06/a-68-road-runner-restored-to-level-ive.html
https://www.facebook.com/groups/1655341931388663/photos/