This is a mouthpiece for Yamaha's Custom Series, for large shank (large shank) trombones. The rim and inside of the bowl are finished with gold plating (GP). [Condition] There are signs of use such as scuffs and discoloration from normal use. Please check the posted photos for detailed condition and make your own judgment. There are no major dents that would interfere with playing. *Cleaned and disinfected. [Shipping] Will be shipped wrapped in cushioning material (bubble wrap).