On 67 doors, the door panel stops about 3 inches below the window, so the upper 3 inches of the door (inside) is painted to match the interior color. On 68 doors, the interior panel wraps up over the top of the door and touches the window. The interior window "fuzzie" on 68's are attached to the interior panel, on 67's the interior "fuzzie" is attached to the door itself.
The 69 door on the outside has a horizontal feature line partway down the skin that fades out as it goes from the front of the door to about halfway back.