For sale gold brass August Knopf full double with double stopping valve. Made in 1989. Completely professional handmade instrument in excellent condition. No dents. No lacquer. Detachable bell with Alex ring (fixed bell originally). Adjustable hand rest and finger hook. Case included. Price: 3500 euro. Contact: fjsn_horn@hotmail.com. The horn is in Spain and can be sent to any country.