There is some rust on the blade due to long-term storage (see photo 12). The blade is slightly bent (see photos 8, 9, 10, and 11). No Ao-ni-go (Blue Steel No. 2) stamp. *Please understand that returns and exchanges are not accepted before purchasing. ■Product Name: Sensuke Yanagiba Knife ■Material: Yasuki Steel, Blue Paper No. 2 ■Blade Length: 240mm ■Blade Type: Single-edged (right-handed) ■Handle: PWC Shinogi Handle By using Hitachi Yasuki Steel's Blue Paper No. 2, a high-grade blade carbon steel, the sharp sharpness lasts for a long time. Although it is prone to rust because it is steel, it has a sharpness that cannot be experienced with stainless steel. The handle uses purple sandalwood shinogi, and it has been finished as a beautiful Japanese knife. *Please note ・After using the knife, remove dirt and wipe off moisture thoroughly. Leaving moisture or dirt can cause rust. ・Do not use in dishwashers or dish dryers. ・Do not use for frozen foods, corn, pumpkin, dried mochi, or hard ingredients such as bones and shells, as this may cause chipping, blade breakage, or blade chipping. Thank you for viewing.