Ryoji Matsuoka M30 (1980) Classical GuitarThis guitar was hand made in Nagoya, Japan on Wednesday 03 December 1980. It is yet another step up from the M10 and M20 models which are already superb guitars. The difference with the previous 2 models is this guitar has a solid double plate spruce top which is stronger in construction and also much thinner, this helps produce a very loud sound with brighter trebles and deeper basses. It also comes with rosewood back and sides. I have further