This is a B♭ clarinet from the Nippon Gakki (Nikkan) era, the predecessor of Yamaha. This item is "unplayable in its current condition." It is an unrestored instrument that has been stored for a long period of time. If you intend to play it, it will require an overhaul (complete pad replacement, key adjustment, cork replacement, etc.) at a musical instrument store. This item is being sold as **"repair-required/junk"**.