Gerber Tenor (2010's) J Gerber Prototype Knox "American Series" It was originally a 5

It was originally a 5 and was opened by Adam Niewood around 2006 to

and mouthpieces in unoriginal condition being sold as original

These are the second generation of Tone Edge produced by JJ Babbitt

unlike the current generation of C* pieces

077" which is closer to a D opening on the Selmer charts

Gerber Tenor (2010's) J Gerber Prototype Knox "American Series" It was originally a 5Gerber Tenor (2010's) J Gerber Prototype Here is an original 2010s Johannes Gerber prototype hard rubber tenor mouthpiece. This mouthpiece measures . 105 on my gauge. This mouthpiece appears to have been a pre release for Gerbers current lineup of hard rubber tenors. It is inscribed 13VT126 Trade Sample, and 7* on the side. The barrel is hand engraved with Gerbers signature and Vintage on the shank. This piece is similar to an early 60s Otto Link Tone