Here's one you may be like. It's a 69 though.
http://www.toywonders.com/productcar...8-94p11923.htm
There was a version that was very detailed out a while back. Search for HWY 61 1972 c10. You may be able to find one somewhere. Here's a link for reference but they are sold out here.
http://www.diecastbymail.com/mm5/mer...Category_Code=
Here's one more site .
http://www.diecastmodelswholesale.co...let/Categories