'75 radio

[Colin Thom <colinthom@shaw.ca>]

Hi Listers.I'd like to buy whatever AM/FM radio was originally in my 75.
I'm assuming it had FM, anyway.  My car didn't have one when I bought
it. Can someone tell me what these things are called? Make, model
number...email me a picture??? I have no idea how to look for one since
I don't know what I'm looking for. Any ideas where I can find one?
Thanks as always.  colinthom@shaw.ca