Thin neck? Glued-on volutes on the scroll? Extra strips along the ribs? These are a few Kay traits but if you will post some pictures someone can probably help you.
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I have nothing clever or catchy to say.
You nailed all the characteristics. I found out its a Kay. It's from the fifties. It's the C-1 model, are those any good for jazz? some told me it was a beater........