they are supposed to be chrome with argent (red line) Black in the areas shown and white raised letters
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No, the 67 GT style is not reproduced, the 68-69 thumbwheel radio style GT is. The joys of a one year only car!
I have found 2 NOS 67 heater / radio GT bezels over the last 7 years
IMHO the best you can hope for is a good used and have it re-chromed and painted.
BUT never stop looking