This was found while cleaning out my parents' house. An old book providing detailed information on swordsmithing techniques. I was told by a used bookstore that it appears to be from the late Edo period. - Title: Shinto Meizukushi Taizen (Complete Collection of New Sword Marks) - Content: A guide for sword appraisal - Features: An old book containing detailed information on swords Please be aware that the condition is not good.