Deba knife, blade length 14.0cm, 185g. The back is about 6.3mm thick near the top of the heel. It's engraved with "Tokyo Kikuhiko Saku," which seems to be a brand from a while back. I can only find it in the used market. It's a genuine kasumi (layered steel) knife, made by bonding soft iron and steel. The back isn't very thick, and it has an ura-suki (concave grind) but it's not very deep, which is a characteristic. The rust marks are mostly gone, but if you look closely, there are faint marks and small scratches remaining, so please check the photos carefully. The handle has been replaced with a new one and should be usable for a while. I sharpened it thoroughly, put an edge on it, and polished it. Please see my profile for detailed restoration processes.