This is a Yamaha oboe, model YOB-821. It's a Yamaha professional model from the Custom series. It's a Yamaha-like instrument that's easy to tune and very easy to play. It's fully equipped with a third octave key and a left F key. It's been fully adjusted before being listed, so you can start playing it right away. It's difficult to see in the photos, but there are some minor scratches from normal use, so please understand this before purchasing. The original case and case cover are included. The specifications are as follows: ♢ Yamaha YOB-821 ・Semi-automatic ・Fully equipped, with a third octave key and left F key ・Grenadilla wood body ・Silver-plated finish If you have any questions, please ask in the comments section!