1929 national style 4 tri-cone square neck handcrafted guitar of a reproduction resophonic was invented in 1925 by John Dopyera. Since amplification has not been invented yet, the resophonic design is the best alternative at that time.
National Reso-Phonic Style 4 Tricone | The most elaborate hand-engraved Tricone, the Style 4, is decorated with the sophisticated "Chrysanthemum" design. The position markers are mother-of-pearl diamonds. The mahogany neck has an engraved ivoroid headstock overlay with a matching heel cap. | Reverb
Postal Guitars: & This is made from Barn-wood found near the highway 61 cross-roads in the Mississippi delta. It sounds incredible. It has a Fatboy at the neck and a fender American Tele bridge pickup. The body is chambered and light.