A fantastic example of a 鎧通 Yoroi-doshi (Armour piercing Tanto).
The 三原 Mihara school began around the late 鎌倉 Kamakura period, when a group of 手掻 Tegai school smiths moved from 大和 Yamato to the 三原 Mihara area in the province of 備後 Bingo. It is said that the work of Mihara school blades often have the style of 大和伝 Yamato-den work.
Period – Koto – Muromachi (1336-1573)
Paper – No Papers
Mei – Mihara Ju Fuyuhiro
Nagasa – 23.8 cm
Sugata – Hira-zukuri
Sori – 0 cm
Mune – Iori
Kasane – 0.8 cm
Mihaba – 2 cm
Nakago – Ubu
Mekugi Anna – 1
Hamon – Nioi-deki
Boshi – Ko-maru
Hada – Itame
Price – £700