Gibson Southern Jumbo Original Acoustic-Electric Guitar, Vintage SunburstSpecializing in rich country and blues tones, the Gibson Southern Jumbo Original follows in the footsteps of original flat top acoustic guitars from war era America. Featuring classic materials and specifications, the J 45 body shape is constructed from a Sitka spruce top and mahogany back and sides for a rich and resonant Gibson voice. Traditional hand scalloped X bracing maintains authentic Gibson design for every player to experience. The rosewood