This is a beautiful Mikawa koma Nagura  stone, known for producing a smooth slurry and excellent sharpening performance.

It is an old kuradashi (warehouse-found) piece, making it increasingly rare and hard to find today.

📌 Size & Weight

Approx. 225mm × 78.5mm × 41mm

Weight: 1394g

🔥 Recommended For

Japanese sword polishing / sharpening (Katana, Nihonto)

Knife sharpening

Razor honing

Woodworking tools: chisels, planes, saws

Condition

Good vintage condition.

Please note: there are old chisel marks (“hatsuri” traces) visible on the back side, showing its age and authenticity.

You will receive the exact stone shown in the photos.