【Price Reduction】Alexander Mainz 8M French Horn Mouthpiece

【ALEXANDER (Alexander) Mouthpiece】 Horn 8M

【No. 8M】
Cup Diameter: 17.50mm
Bore Diameter: 4.00mm
Cup Depth: 28.00mm
Rim Thickness: 4.00mm
Features: B♭, B♭/F double horn. Similar to No. 8, but features a larger bore diameter.
　　　　Reduces resistance and increases playing comfort.

List Price: ¥16,500

This was included when I purchased my instrument, but I have kept it stored away without playing it much.