Thanks for the info Zeezeerider ! Much appreciated.

Researching all these models I ran across an article about Road Champs and a time period in which they sort of hit a low point wherein they had many casting done in China with unusual graphics and not labeling them as Road Champs. And not having a  Road Champs' photo frame of reference to compare the generics to, I merely lumped all cars into the generic "Made in China" group. Your photos of the Road Champs are very welcomed.

I did notice the license plates on the door-opening models. They are CF. The first one, bottom row, black with gold diagonal stripe on hood, in the lower left-hand corner is sort of smashed but the doors still open! LOL

And thanks for the link:

http://www.planetdiecast.com/%3C/index2.php?&option=com_content&task=view&id=86834&pop=1&page=0&Itemid=826