Stored unused since purchased 4 years ago. It's a beautiful item with no writing or signs of being opened. 【Overview】 This sheet music consists of "25 Easy Studies" by the renowned composer Burgmüller. It is aimed at piano beginners to intermediate players and is an excellent educational material for improving playing technique. 【Features】 - Each study is short, has a beautiful melody, and is designed to be easy to play. - Widely used in music education and loved by many pianists. 【Publisher Information】 - The publisher is Zen-On, providing reliable sheet music. ISBN number 9784111030192, available for purchase at bookstores. - Title: Burgmüller 25 Leichte Etüden Op. 100 - ISBN: 9784111030192 - Publisher: Zen-On - Series Name: Zen-On Piano Library Thank you for viewing. ▶︎Note I have a cat. I will clean the item as much as possible before shipping, but there is a possibility that cat hair may get mixed in with the packaging materials. Please purchase only if you understand this.