Floor standing or a Tombstone? Art Deco with FM might be a tough one, the art deco period ended before FM radio got a foothold. I'm not an expert so I could be wrong on that point. The radios are everywhere. One of the best places are old radio/electronics swap meets that happen around the country. The charm of old radios is the look and glow but an old cabinet with a modern tuner/amp/speaker is just as good or better IMHO. If you are the least bit handy, striping the guts out of a new radio and adapting it to an old cabinet is not that hard.
