YAHAMA company released YAMAHA FG-150 with the first design made in Japan (original fork body) and FG-180 (trad Western body) in October, 1966.

A label with the light green color was stuck inside the body, so it was called “light green label”.

The character of “YAMAHA” is the square typeface called by writing a square logo, and a head logo is recorded, and a rod cover of the temple bell type is used.

A used peg was the plating processed fleshy opening type tightly.

A positional mark of a finger plate was 5 millimeters of dot type.
The end pin was made of wood.

A serial number of the light green label checked at present,,,,
49XXXX〜62XXXX

Sample01 : FG-150 S/No,559XXX　8th.Nov.1966

The Spec of FG-150 S/No,559XXX,,,
A YAMAHA square logo and the temple bell type rod cover.
Wooden end pin.

I think the inner painting is extremely steady.

Sample02 : FG-150 S/No,569XXX　30th.Nov.1966

The Spec of FG-150 S/No569XXX is
the same above FG-150 S/No,559XXX

The guitar which sounds very well.

Sample03 : FG-150 S/No,593XXX　5th.Jan.1967

The Spec of FG-150 S/No593XXX is also,
the same above.

Additonal infomation：Prototype?

The individual who seems a prototype of FG-150 seems to exist, too.
The specification is same as a light green label.
F-90 of the light green color and a recorded label were stuck.