Thank you for viewing. This is a Yamaha YOB-831L Duet+ Custom Oboe with an inner pipe specification. <Description> Body: Grenadilla / Ebonite (inside the upper joint) Keys: Nickel silver, silver-plated System: Conservatoire system / Semi-automatic / Covered keys <Condition> Overall, it is in beautiful condition, with no deformation or cracks. It has been fully adjusted in July 2025, so you can use it with confidence. <Accessories> Original case, reed case, screwdriver, cork grease, warranty (with store warranty until June 2027) <Reference Price> 1,243,000 yen (tax included) There may be parts that are difficult to convey in the photos and description, or that may be overlooked. Please consider this item as a used product. If you have any questions, please feel free to comment.