Sound output confirmed. YAMAHA Cornet ycr3330. Based on the serial number, this instrument was manufactured around 1975-1977. It's a beginner-friendly model, and is popular now that production has been discontinued. - No missing parts. - Main tuning slide, 1st valve slide, and 3rd valve slide function well. - Simple maintenance performed. - Includes the original case. Mouthpiece (Yamaha 11E4) included. - There is a bend in the mouthpipe. - There are minor scratches, dents, and rust in various places. - Simple maintenance performed.