YAMAHA YEP-321 Euphonium - As Is Model Number: YEP-321 This is quite old. Please consider this a junk item. I am a novice, so I don't know how to play it. Manufacturing year unknown. This was purchased from a musical instrument store that is closing down. I have no knowledge, so I cannot answer specialized questions. The case is only for shipping purposes, so please consider it a bonus. Since this is a junk item, I do not offer any warranty. Please understand this before bidding. How about it for someone who can repair it or a collector? Please look at the photos carefully and be satisfied before purchasing. No claims accepted. Returns and refunds are not accepted due to the item being junk. Only those who agree to the above conditions, please bid. Thank you very much.