A4 clear holders/clear files with a design that faithfully reproduces the sheet music of the Zen-On Piano Library. I have kept them carefully in my home bookshelf, but I am selling them to organize my collection. They are unopened and have been stored in the original OPP bags. The bags have traces of stickers from when they were purchased, but the holders themselves are like new, with no scratches. They are now discontinued and very rare. -- [Product Name] Zen-On Piano Library "Czerny 30 Etudes" Design "Complete Hanon Piano Exercises" Design A4 Clear Holder - Size: 31cm (height) x 22cm (width) (Reference A4: 210 x 297mm) - Purchased from: Shimamura Music [Product Description] The "Zen-On Piano Library" sheet music, published by Zen-On Music Publishing Co., Ltd. since the 1940s, is a standard textbook that anyone who has learned piano has seen at least once. It is particular about the quality of printing, paper, and design. This series is an authentic series that faithfully reproduces the cover design, colors, and fonts with the cooperation of Zen-On Music Publishing Co., Ltd. -- For those with piano experience or who love music, it is a piece that will evoke a sense of nostalgia from the texture and make you feel like you are standing up straight. Even those who are not familiar with the original sheet music will be able to enjoy the unique colors, sense of style, and world view as a general design item. For storing and carrying copies of sheet music, lesson materials, school printouts, general documents, and booklets. Or for those looking for music-themed stationery or a slightly special clear holder, or for collections. Because almost the entire surface is a unique blue color, it is practical because it is difficult to see through the documents inside and easy to find. This time, I am selling three types of items: Hanon and Czerny memo pads, staff paper notebooks, and A4 size clear holders, so please check them out if you are interested. - Title: CZERNY ETUDES DE MÉCANISME Op.849 - Title: Czerny 30 Etudes - Title: Hanon: The Virtuoso Pianist - Publisher: zen-on piano library - Series Name: ZEN-ON Piano Library - Publisher: NAKANO CO., LTD.