Just arrived, I was surprised and unaware of the shape and how massive this blade is. Nobutaka its dated in late 1780s NOBUTAKA (信高), 7th gen., Tenmei (天明, 1781-1789), Owari – “Kitsui Shirō Nobutaka” (橘井四郎信高), real name Kitsui Shirō (橘井四郎), he also bore the first name Ihei (猪平) and died in the eighth month Kansei ten (寛政, 1798). Added to the collection of David W. Easley.