Here's mine from my '71 GT-37. It's also a Pontiac-built car. I found it under the carpet on the transmission hump, totally black with sound deadener. I soaked it in lacquer thinner for a while in a glass cake pan and it came out really clean and readable.
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1971 GT-37 - 350/M38, Rosewood Metallic/Black
www.GT-37.org