Yamaha Superflighter SF-700 electric guitar, made in Japan, 1978. The Superflighter model SF-700 was a hybrid between the SG and a strat style guitar and was typically made with 24 frets. The guitar has a set neck, and a flattish fret board which facilitates slide guitar in addition to normal fingerpicking. The guitar has 2 hum-buckers. Guitar has been used and has some minor marks but is in great overall shape.
Check detail in the pictures.