When it was excavated during the Taisho era, it was in perfect condition, but later a half of the blade's body was lost, therefore only twelve letters of inscription from the bottom remained, and moreover there were only a few letters to be deciphered because of rust.
大正年間に出土した時はには完全であったが、その後刀身の半分が失われたために銘文もわずか末尾の12文字しか残っているに過ぎず、しかもさびが進んでいて解読できる御字が少ない。