This is a stopped mute for French horn. I purchased it new and used it for practice about twice, but I'm selling it because I no longer have the opportunity to use it. *It was stored in the outer box shown in the third photo, but please consider the outer box as a bonus. *There is some discoloration and dirt on the brass head due to aging. - Brand: BEST BRASS - PotStop - Materials: Aluminum, copper, brass - Application: Stopped (can also be used for warming up) - Retail price (reference): 27,500 yen Please make your purchase based on the photos provided.