It has a gold-plated finish. The inner rim diameter is about halfway between a current Bach 7 and 10-1/2C. The rim is rounded and slightly thinner. The rim shape slopes gently towards the outer edge of the rim. The outer rim diameter feels to be about halfway between a Bach 7 and 10-1/2C. The inner edge of the rim is somewhat distinct. The cup is slightly shallower than a current 10-1/2C. The shoulder angle from the cup to the bore is distinct. The throat area just before the bore is slightly thicker. The throat is a #28 (3.56mm). The backbore is similar to a Warburton 9. It has a good response, and the vibrations within the cup are efficiently transmitted to the instrument, providing a good playing feel. The vibrations are easily transmitted throughout the instrument, creating a sound that resonates close to the player. It has a core and a deep, rich sound. It's a Bach-like mouthpiece that can be used for all genres. There is some plating wear on the shank due to the insertion and removal of the mouthpiece, but there is no plating wear or dents on the rim that would affect playing.