The A.R.B. mouthpiece was developed by both E. Beechler and A.R. Brilhart. This metal custom mouthpiece is hand-finished by craftsmen, and features higher quality and precision than the standard model. I purchased this but have never used it. The box looks a bit old, but I think you can see the condition in the photos. It currently has a list price of ¥108,000. The weak yen trend is likely to continue, so the price will probably go up. The facing is #A.SAX#5. - Model: ARB A.SAX Metal Custom #5 - Material: Metal - Color: Silver - Features: Hand-finished - Accessories: Ligature, cap, inner bag Thank you for looking.