Here is a lovely Yamaha YOB411 Intermediate oboe with a synthetic top joint and grenadilla lower joint and bell.  It is in superb preowned condition with no condition issues to report.  It has the left F and low Bb keys and is quite lightweight.  This oboe is excellent for beginner or advanced beginner students.  It comes in the original Yamaha case with vinyl case cover.

Preowned Yamaha YOB411 Synthetic Top Oboe