Specifications Body Body Style Round Shoulder Body Shape Advanced Jumbo Top Thermally Aged Red Spruce Back Rosewood Side Rosewood Bracing Traditional hand-scalloped Advanced X-bracing, red spruce braces with hide glue Binding Single-ply top, single-ply back Body Finish Thin Finish Nitrocellulose, VOS Neck Profile Historic AJ Scale Length 647.7 mm / 25.5 in Fingerboard Material Rosewood Fingerboard Radius 304.8 mm / 12 in Fret Count 19 Frets Standard Nut Material Bone Nut Width 43.81 mm / 1.724 in Inlays Mother-of-pearl Diamonds and Arrows Joint Compound Dovetail Neck-to-body Hardware Bridge Rectangle, open slot Saddle Material Bone Tuning Machines Waverly Pickguard AJ Truss Rod Cover Black Bridge Pins Bone Electronics  Under Saddle Pickup None Misc Strings Gauge 0.053, 0.042, 0.032, 0.024, 0.016, 0.012 Case Period Correct Case Accessories Includes Gibson Accessory Kit