Martin 000-18 Standard Series Acoustic Guitar - Natural with Aging Toner- FREE SHIPMartin 000 18 Standard Features: You are looking at Serial # 3025583 This instrument weighs 3lbs 13oz Standard series 6 string acoustic guitar inspired, designed, and assembled via Martin's "Golden Era" building practices Solid spruce top and mahogany back and sides supply a bright, traditional acoustic tone with plenty of punch and sustain GE scalloped X bracing ensures utmost tonal stability and vibration transfer Select hardwood neck with GE