YAMAHA YEP-321 Euphonium - As Is Model Number: YEP-321 This is quite old. Please consider this a junk item. I am a novice and do not know how to play it. Manufacturing year unknown. This was purchased from a musical instrument store that is closing down. I lack the knowledge to 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 examine the photos carefully and make your purchase with your understanding. No claims accepted. Returns and refunds are not possible due to the item being junk. Only those who agree to the above conditions, please proceed. Thank you.