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Used untested with head unit and cables
Knobs work smoothly and turns the dial and volume
Philco Model 927 automobile radio, and the evidence points to it being a 1939 model-year radio, introduced/sold beginning in 1938.
Your tag clearly reads MODEL PHILCO 927, and the Philco automotive index lists the 927 as a 1939 Universal 6 volt 7-tube automobile radio.