Hi I did a bit of research on M Suzuki S G 101 here is one answer

Hello Jean:

Sorry I can't help. M Suzuki is a different company, and I really don't know anything about them. I did however receive this post from someone....
"... 'M. Suzuki' branded guitars ...were produced by the Suzuki Musical Instrument Manufacturing Co. Ltd.
The one I have was purchased in 1981 and I have a reference (label picture) of another.
Suzuki Musical Instrument Manufacturing Co. Ltd. began in 1953 are still in business in Hamamatsu but they are currently not producing guitars.
M. Suzuki guitars seem to be named after the owner Manji Suzuki.
The 'Manji' guitars were of good quality and tone, bound headstock, neck, body with quality tuners, compensated bone saddle and nut.
Please email me for further info. (he didn't leave an email address)