Gibson Hummingbird Studio Walnut AN; acoustic steel guitar; Made in USA; square-shoulder; top solid sitka spruce; back and sides rwalnutsolid; neck mahogany w/ advanced response profile; nut width 43,80mm (1,725"); frets 20; scale 628 (24,75"; fretboard walnut; inlays mother of pearl parallelograms; bridge traditional belly up; Mtuners grover rotomatic, pickup system fishman sonitone; finish antique natural, incl. case