I found this car on
www.carsinbarns.com . If you haven't seen it I suggest you check it out. But I was looking through and I came across this camaro. It appears to be copo. It has a cowl induction hood, and alleged 396, it looks to have side markings delete, and It has a front silver grill.
more pictures of it here
http://carsinbarns.com/bowtiesinbarns/pg44.html