Matsuoka No.20 Custom Electric Classical Guitar 1977This Matsuoka No. 20 Classical Guitar was made in Japan on Wednesday 20 07 1977. Model No. 20 was later renamed M20 and is of a higher grade than the later M20 guitars due to depreciation and rising material costs. The No. 20 was part of the Concert series and was handmade by Ryoji Matsuoka and his family in Nagoya. It was made for domestic market and that is why there are so few on the market compared to the M20 model. It was originally being sold