|Description from Amazon USA|
You are looking at a beautiful, BRASS FINISH 4 Valve Bb Euphonium. The first three valves operate similarly as the 3 Valves of a standard Baritone/Euphonium. The 4th valve, located on the lower tubing of the Euphonium, changes the key to F.This horn is ideally suited for intermediate and professional players. A mouthpiece and a hard case is also included.