This is a YAMAHA Cornet YCR3330. It is a popular instrument that has already been discontinued. Sound production has been confirmed. - No missing parts. - Main tuning slide and 1st trigger operate smoothly. - The 3rd trigger may interfere with the bell due to distortion of the bell. (It can be inserted and removed.) - Dent on the mouthpiece receiver. There are minor scratches, dents, and rust in various places. - Basic maintenance has been performed. - Original case included. Instruction manual included. - Mouthpiece (Yamaha 11E4) included.