hilip Cobb Signature line ( London Symphony Orchestra) , stamped PC plus model number
Mouthpiece tops include:
PC1S , PC1M , PC1D, These are .660 /16.75mm diameter
PC2S , PC2M , PC2D, These are .650 / 16.50mm diameter
D- Orchestral Bb
These Cobb mpcs are designed with a much rounder rim than our normal warburton series and careful attention to cup dimension were provide by Phil.