Brass Lab. MoMo (Atelier MoMo) 52 Trombone Mouthpiece [Model] 52 Rim Gold [Cup Inner Diameter] 25.8 [Depth] Deep [Shank] Large Shank Retail Price: ¥74,800 USED, 中古品 (Used) Thank you for viewing. This is a Brass Lab. MoMo (Atelier MoMo) 52 trombone mouthpiece. I used it as my main mouthpiece for a while, so there are some scratches and dirt from use, but I think it is still usable without any problems. Please refrain from purchasing if you are sensitive to used items. If you would like more photos, please leave a comment and I will take them. Thank you for your consideration. It will be shipped in a box for a different MoMo mouthpiece.