This is a Yamaha oboe, model YOB-831. It's a Yamaha professional model from the Custom series. As you'd expect from Yamaha, it's easy to play in tune and is a very easy instrument 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 was purchased new in 2022 and has hardly been used, making it a very beautiful instrument among used instruments. The original case and case cover are included. Here are the specifications: ♢ Yamaha YOB-831 ・Semi-automatic ・Fully equipped, with a third octave key and left F key ・Grenadilla wood body Suggested retail price: 1,023,000 yen (including tax) If you have any questions, please ask in the comments section!