Deba knife, blade length 15.1cm, 217g. The back is about 7.2mm thick near the top of the heel. It's a Seki Magoroku Ginju. The Ginju is a current model, but the logo font is from a while back. The current Ginju Deba 150cm Hon-Steel model is 7980 yen on Amazon. It's a genuine kasumi construction, with soft iron and steel laminated together. The rust marks are mostly gone, but there are small scratches overall if you look closely, so please check the photos carefully. The shape is not distorted, and the shinogi line is very clean. The handle has been replaced with a new one and should last for a while. It has been thoroughly sharpened, the blade has been honed, and it has been polished. Please see the profile for detailed restoration process.