Katana in Shirasaya(NBTHK Tokubetsu Hozon Paper ) Signature :Oumi (no) Kami Fujiwara Tsunehira (First Generation) Shinto: Jyo saku: Wazamono: Musashi Jyojyo Kenma(High quality polish) (We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular ...