RS verification?

[Don Fletcher]

Is there any way to verify whether a '69 Camaro came from the factory with rally sport equipment? Some comments I have read suggest that real COPO RS Camaros are very rare, and that someone could have added RS equipment to my COPO car in the past. My car has all of the RS equipment intact. I pulled the back-up lights, and it looks stock where they mount up and where the wiring goes through and hooks up to the trunk harness. The steering wheel has a small RS emblem in the center of the woodgrain between the 2 horn buttons, and between the tail lights the paint is indented from having worn an RS emblem at one time. Are there any codes or markings to look for on the car that could confirm one way or another whether my COPO is an original RS?