Very Nice Old Koto Blade Attributed to Ienaga in full polish mounted in Shirasaya
Wakizashi (脇指)
Den Chikugo, Ōishi Ienaga (伝筑後、⼤⽯家永) ‒ Attributed to Ōishi Ienaga from
Chikugo province
Shōshin (正真) ‒ Authentic
Nagasa 1 shaku 3 bu kore ari (⻑さ⼀尺三分有之) ‒ Blade length ~ 31.2 cm
Reiwa shichinen sangatsu jūrokunichi (令和七年三⽉⼗六⽇) ‒ March 16, 2025
Non-Profit Organization (特定⾮営利活動法⼈)
Nihon Tōken Hozon Kai (⽇本⼑剣保存会) ‒ NTHK
Board Chairman (理事⻑): Ōhashi Hiroshi (⼤橋博)
No 13102
Meibun (銘⽂) ‒ Signature:
unsigned
Tsukurikomi (造り込み) ‒ Shape: hira-zukuri, shin no mune (mitsu-mune ), ubu-nakago
Kitae (鍛) ‒ Forging:
itame-nagare mixed with masame
Hamon (刃紋) ‒ Hardening:
gunome
Bōshi (鋩⼦) ‒ Hardening in tip:
featuring a ko-maru-kaeri
Chōkoku (彫刻) ‒ Engravings:
Nakago (中⼼) ‒ Tang: mekugi-ana (⽬釘⽳) 3, yasurime (鑢): ō-sujikai
Bikō (備考) ‒ Remarks:
around Bunmei (⽂明, 1469‒1487)
Shinsaʼin natsuʼin (審査員捺印) ‒ Seals of Judges: 4 seals
