Are you talking about the rhodium dash panels?
If so I have seen this before. It could be a mixture of the cheaper plastic and the more expensive metal backed panels. There is a difference in the thickness between early and later panels.
The only reason I know this is I have a spare set of rhodium panels and for whatever reason I got them mixed up. I had the same issue until I realised what I had done.
This was my issue anyway
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Jon C
Living the dream
MK IV VVTI Tiptronic TT Toyota Supra MG ZT 190+
BornTuesday, 10th July 2001 @ 09:01:10
259th ZT to run off the production line, out of 18,894
252nd ZT 190 + to be made out of 4,023
101st ZT in Solar Red (code: CEU) to be made out of 1,888