![Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars](http://yamahavintagefg.com/wp-content/uploads/2020/01/71-81-TW-Chart-v2021.11.2.jpg)
Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars
![Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars](https://i1.wp.com/yamahavintagefg.com/wp-content/uploads/2017/10/Japan-Red-Label-Serial-Number.jpg?resize=257%2C300)
Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars
![Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars](https://i1.wp.com/yamahavintagefg.com/wp-content/uploads/2017/10/Japan-5-Digit-Serial-Number.jpg?resize=226%2C300)
Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars
![Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars Yamaha FG Serial Numbers, Interior Markings, and Labels – 1966 to 1981 – Yamaha Vintage FG Acoustic Guitars](https://i0.wp.com/yamahavintagefg.com/wp-content/uploads/2017/10/Taiwan-Serial-Numbers.jpg?resize=444%2C250)