Katana in Shirasaya, with Koshirae. (NBTHK Tokubetsu Hozon Paper) Signature : Yamato Kami Yasusada (We divide 4 sections for each sword as Saijyo saku, Jyojyo saku, Jyo saku and regular saku) This sword belongs to Jyo-Jyo saku ranking. Sayagaki by ...