here's a great find, the 1968 Chicago Autorama (I think) Mopar concept car representatives, in their color matching dresses. Very cool. (I'll guess this is the only collection of these photos anywhere)

This is probably the Yellow Jacket Challenger

https://www.mopar-forum.eu/viewtopic.php?f=22&t=9064&start=3420#p941194

https://www.mopar-forum.eu/viewtopic.php?f=22&t=9064&start=3420#p941220

I've been looking for 1968, 69, and 70 Chicago Autorama photos for a long time, never found many, sure never found these

For the couple dozen that came along with these, of the cars, click through http://justacarguy.blogspot.com/2020/08/very-cool-mopars-at-autoshows-looks.html