Mizuno Tanrenjo Akitada Ao Hagane DX Series, Kama Usuba, 7 sun (approx. 210mm) Aogami No. 1, black end, white water buffalo ferrule Used only a few times. The saya (sheath) has salt and dirt. Kanji is written on the knife. Therefore, it is offered at a lower price. Thank you. Please note that this is a used item, so please only purchase if you are comfortable with that.