A KATANA, the blade honzukuri, kasane atsui, iorimune, chugissaki and very shallow torii-zori with so no kurikara on omote and gomabashi and bonji on the ura with itame-mokume hada, suguha-komidare hamon of sunagashi, ko-maru boshi and suriage machi-okuri nakago, signed Yasutsugu motte Nam (ban tetsu) beneath a Tokugawa aoimon, the last two characters missing, Yasutsugu III, circa 1661, 66 cm. long; in kuroronuri kizamizaya, the hilt with gilt karashishi menuki, shibuichi-ishimeji fuchi-kashira with reserved mon and iron sukashi tsuba formed as stylised stag-antlers, Heianjo School