Original  Silverton 1959 H63 with Gibson P13 pickups.  The neck was recently reset without event. Body is stabilized with a removable spruce Ibeam between the pickup holes.    This is a common and effective low-sound impact method to remedy  top sag common with this model. The truss rod is free and functional. Shows the bumps and bruises from 65 years of play but no cracks or breaks.  Guitar plays cleanly up and down the neck.    
A very good example of the best Harmony had to offer in late 1950 and 1960s.  Nice jazz box that excels at jump and slow blues.  Has that warm growl of the P13 pickups.