I think it's a signature model from CMC LLc ...Chip Micormick's company.I don't think Colt did it , rather work done by CMC LLc.
Any info on chip micormick colt ss commander 45 acp , did colt make a chip micormick model. it is like new in box and have chance to buy it,,owner got this in 1980s ,and said its a rare commander model , iany info on this, before i buy it thank you