- S/No,：569XXX (6 digits)
- Inner carved seal :41.11.30 (30th, November, 1966)
- A front plate: Spruce
- Back veneer: Mahogany
- The side slope: mahogany
- A neck: Mahogany
- Finger plate and lower piece: rosewood
- Logo :YAMAHA The square type
- Peg :YAMAHA original early stage thick type peg
- End pin: A birch Made of wood.
- Rod cover: The temple bell type rod cover
- A finger plate positional mark :5mm dot
- A label: Light green label
- Weight: 1.75Kg
This FG-150 is my best one.I still using this for recording.