What is this shim for- 66 Door

Bright Red or Dark Red metallic?
Bright red but no metallic.

Now I’m really excited to shoot the car. First time in over 30 years the red and silver have been together on my car.
I bought it in 89’ and never drove her but I painted it black back then. Not sure how long the original owner had it in bare metal covered in wd40. That’s how I bought it.