Sparton Nocturne
The Nocturne is Sparton's model 1186 and it uses an 1166 chassis which was also used by several other models. The Model Number plate identifies the radio model the chassis was originally in and is riveted to the chassis back. If the Model Number Plate is not metal and riveted but just a sticker, the chassis is quite likely not original to the set but transplanted from another model.
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