Thanks Mark...I was comparing my 69 z to my just bought 69 convertible rockers and I thought there were some differences. Of course i had no idea of the different layers per your picture. Good info...
'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles