Upgrades:Bone nut / saddle / pins. Straight neck, healthy frets. Year: 1975 (April, based on serial number). Fingerboard: Rosewood with pearl dot inlays. The setup is smooth and comfortable, featuring alow action (Low E ≈ 2.5mm / High E ≈ 1.75mm at the 12th fret), making it highly playable while maintaining excellent resonance.