I have a set of 80/20 loop ones with a rubber "Corvette" across them. They're made by ACC. I got them from Corvette Central a couple of years ago for $59. They match the carpet perfectly as it was a reproduction from ACC. I believe your interior colour in '72 is called Dark Blue.
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Joel Adams
C3VR Lifetime Member #56
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"Money can't buy happiness -- but somehow it's more comforting to cry in a CORVETTE than in a Kia"