This item has been stored on my bookshelf for a long time. As you can see from the photos, there are signs of aging such as stains and peeling on the paper case, top and bottom edges, and endpapers. However, the pages inside the book are clean. It has a vinyl cover, and the obi (sleeve), sales card, and some discolored parts are still present. The monthly reports are also included. I believe this would be useful not only for hobbies and general knowledge, but also as a reference for studying classical literature. It was published in 1973, so please understand this before purchasing. Thank you for looking.