Joseph Alessi by Griego Trombone Mouthpiece 6C Green Gold [Model] 6C [Cup Inner Diameter] 26.20 [Depth] Standard [Shank] Large Shank Retail Price: ¥46,500 USED 中古品 (Used) Thank you for viewing. This is a Joseph Alessi by Griego 6C. It seems to be the rare green gold. Since it is currently sold as an artist model, I think it is the previous model that is no longer sold. Please refrain from purchasing if you are nervous about used items. I have slightly edited the images because the room was reflected in them. If you would like more photos, please comment and I will take them. Thank you for your consideration.