Manufacturer: Kaertner Model Number: Unknown Key: Bb [Item Condition] Sound confirmed. There is a hole in the 1st valve slide. It doesn't go all the way in. The pistons may also need adjustment. This instrument could still be used a lot if repaired. [Included Items] Main unit Case As shown in the pictures! Please ask any questions in the comments! Please understand that this is a used instrument, and refrain from purchasing if you are concerned about the condition. Since this is a used instrument, we cannot provide a warranty. Thank you for your understanding!