Katana in Shirasaya, with Koshirae.(NBTHK Hozon paper) Signature :Mumei (Hokke school) The blade was polished Blade length : 66.97cm or 26.36inches. Sori : 2.12cm or 0.83inches. Mekugi : 3 Width at the hamachi : 2.65cm or 1.04inches. Width at the ...