This is a YAMAHA tenor bass trombone! It's a custom model, and is suitable for a wide range of players, from beginners to advanced. This is a custom grade, large bore tenor bass trombone. It is no longer in production, and features a gold brass bell, which has a lower profit margin than yellow brass. It has a high copper content, and is characterized by a very soft sound. It shows signs of use, such as dents and peeling of the plating/lacquer. There aren't many noticeable dents except on the tuning slide. It's recommended for those who want a good quality instrument to use for a long time, even though new ones are expensive! Each tube has been maintained and cleaned, and is ready to use immediately! A mouthpiece will be included as a bonus if needed♪