1980's "1" Chamber Tone Edge , Tom Zappe customHere is a vintage 1980's Otto Link "Tone Edge" mouthpiece for tenor. This piece is stamped 8 and measures . 111" on my gauge. In the early 1980's, JJ Babbitt started changing the design they had been using in the late 70's in favor of in house designs. They also began implementing a numeric control system to distinguish their core molds. On this particular mouthpiece it is marked with a "1" under the table inside the core of the mouthpiece. It took me