This is a vintage Chris Adjustomatic parlor guitar, likely manufactured by Jackson-Guldan in the 1950s or 1960s. It features an "Adjustomatic" neck, which can be adjusted with screws for pitch and action. The guitar has a parlor body type with a flat-top soundboard style. It was an American-made, student-level instrument, often sold under various brand names. The overall design, especially the tailpiece, is characteristic of guitars made by manufacturers like Harmony or Regal during that era. Serial number #3196730 dates it to the 1950s or 60's. Perfect canadite for restoration.
