This is a nakiri knife with the mark "Kyushiro." Total length: 32 cm Blade length: 17 cm Finished with natural whetstones. The wrapping newspaper was from 1960, so I believe the knife was manufactured about 60 years ago. As this is a vintage item, please consider it if you are interested. Thank you for looking. Examples of whetstones used: PA #120, PA #320, GC #220, Diamond whetstone, C #500, King #1000, WA #1000, Blade Black Curtain #2000, Naniwa Kagaku Finishing #4000, Otani Togi Kitayama #8000, Natural whetstone Gensho-to, Natural whetstone Iyo-me-to, Natural whetstone Okudo Please wash with detergent before use. The knife is prone to rust. After use, remove any dirt and wipe off moisture. Leaving dirt or moisture on the knife can cause rust. Instant purchase is welcome without comments. Please purchase only if you understand that this is a used item.