Due to long-term storage, there is some rust on the blade (see photo 5). There is no "Ao Ni-go" (Blue Steel No. 2) stamp. *Please purchase only if you understand that returns and exchanges are not accepted. ■ Product Name: Sensuke Yanagiba Knife ■ Material: Yasuki Steel, Blue Paper No. 2 ■ Blade Length: 270mm ■ Blade Type: Single-edged (right-handed) ■ Handle: Shitan Shinogi Handle By using Hitachi Yasuki Steel's Blue Paper No. 2, a high-grade blade carbon steel, the sharp cutting edge lasts a long time. Although it is prone to rust because it is steel, it offers a cutting performance that cannot be experienced with stainless steel. The handle uses Shitan Shinogi, resulting in a beautiful Japanese knife. *Please note: ・After using the knife, remove any dirt and thoroughly wipe off any moisture. Leaving moisture or dirt on the knife can cause rust. ・Do not use in a dishwasher or dish dryer. ・Do not use on frozen foods, corn, pumpkin, dried mochi, or hard ingredients such as bones or shells, as this may cause chipping, nicks, or blade breakage. Thank you for viewing.