MC Gregory 518M alto Tenor I am making the assumption

I am making the assumption that this mouthpiece was produced by the Woodwind Company NY

Because there is no work done by Ted and was made outside his production facility it cannot be considered an authentic Ted Klum Mouthpiece

Ultimately

There are some fleabite nicks along the very finely crafted tip rai that should be noted from use but otherwise in very good condition

MC Gregory 518M alto Tenor I am making the assumptionHere is an original MC Gregory "Master" 518M. This piece measures . 068" on my gauge. These were produced in various iterations after the Model A was discontinued. This appears to be a later one with the squared off shank. While the geometry remained the same, there seems to be less hand work on this generation, featuring slightly thicker rails and a sandblasted chamber. I believe these are the inspiration for the Vandoren small chamber design. This