Sax on the Web Forum Archive / Alto Saxophone / Yamaha Custom

Yamaha
User ID: 9885643
Feb 1st 1:20 PM
My Yamaha Custom sax's neck have this "M1" marking.

What's the meanning of "M1"?
Its the neck Model #
User ID: 9600383
Feb 1st 4:33 PM
Brian
SteveS
User ID: 2442714
Mar 24th 11:54 PM
Sooo... what's the G1, as opposed to the M1??