Katana in Shirasaya, with Koshirae. (NBTHK Tokubetsu Hozon Paper applied on the blade and NBTHK Hozon Paper applied on Koshirae) Signature : Oumi no kami Takagi Ju Sukenao. Motte Nanbantetsu saku kore Shinto:Jyojyo saku ranking:Ryo wazamono cutting test ranking. (We ...