This is a ww2 bringback Japanese wakizashi sword with double signatures. NORIHIRO (則広), Jōkyō (貞享, 1684-1688), Settsu – “Niwa Sagami no Kami Minamoto Norihiro” (丹羽相模守源 則広), “Sagami no Kami Minamoto Norihiro” (相模守源則広), real name Niwa Den´emon (丹羽伝右衛門), he came originally from Kii province and belonged to the Ishidō school, dense ko-itame, hiro-suguha or chōji & Tsunahiro
