Pentel 9 Mechanical Pencil 0.9mm Black This item was found while organizing my parents' house. Based on image searches, it appears to be an S59 from the S5X series. Writing tested and confirmed. *This item has been stored by a private individual. There may be signs of aging. Please refer to the photos before purchasing. We only accept purchases from those who understand this. Recycled materials may be used for packaging. Please be aware of any damage due to storage or shipping.