Katana in Shirasaya, with Koshirae.(NBTHK Tokubetsu Hozon Paper. The Koshirae Fitting also achieved NBTHK Tokubetsu Hozon Paper) Signature : Bishu Osafune Tadamitsu. Bunmei 16nen 8 gatsu-hi (August, 1484) Sue-Koto: Jyojyo saku: Ryo-Wazamono (We divide 4 sections for each sword as ...