Top one may be for a E-body. It is missing the track change knob. That unit in the right condition can be quite desirable. The lower one looks to be from the late 70's to the mid 80's. There would limited demand for it.
This for sale post has turned into a discussion so it might end up being moved.
I have added the link below for more information.
How To Identify E Body Radios
After reading the link. I now do not believe that the top one is a E-body radio. It now appears to be a a C-body radio.
