67-69 cuda door glass

Fastback glass is "arched" slightly along the top edge(I just looked at a set I have out back) and I believe its the same as the coupe. Convertible is different.
All 3 years are the same. May be some differences in the mechanisms from 67, but all 6 of my fastbacks had the same glass. (1/67, 3/68, 2/69)