duster puzzle

They were called the "spirit of '76" cars. The one I'm familiar with was a Dart Lite. Here's an article on one...

http://www.hemmings.com/hmn/stories/2012/04/01/hmn_feature12.html

And an old thread from here

http://www.forabodiesonly.com/mopar/showthread.php?t=169020

Another

http://justacarguy.blogspot.com/2012/04/spirit-of-76-dart-only-one-ive-ever.html