Manufacturer: NIKKAN JAPAN Model Number: MP-1 Key: [Item Condition] Sound output has been confirmed, no issues. Some of the tubes are stuck. There are scratches, dents, and rust. How about it for collectors or those interested in musical instruments? It can also be used for practice. [Included Items] Main unit Case Mouthpiece As shown in the images! Please ask any questions in the comments! Please understand that this is a used instrument, and refrain from purchasing if you are concerned about the details of the condition. Since this is a used instrument, we cannot provide a warranty, please understand!