Katana in Shirasaya, with Koshirae.(NBTHK Tokubetsu Hozon paper) Signature : Mumei (Tegai Kanetoshi) (We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)This sword Mumei (Tegai Kanetoshi) is Saijo saku ranking. The blade ...