AS25530 Katana:Heianjo Horii Unsai Minamoto Sadamitsu Saku (NBTHK Hozon Token)

Ordering number:AS25530

Katana in Shirasaya (NBTHK Hozon Token)

Signature: Heianjo Horii Unsai Minamoto Sadamitsu Saku
平安城堀井雲斎源貞光作

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This sword is ranked as Jyo Saku for works by Heianjo Horii Unsai Minamoto Sadamitsu.
Habaki: Single-layered copper
Blade Length: 78.2 cm (30.79 in)
Curvature: 1.4 cm (0.55 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.40 cm (1.34 in)
Width at Tip (Sakihaba): 2.76 cm (1.09 in)
Thickness of rim (Kasane): 0.9 cm (0.35 in)
Sword Weight: 1210 grams
Era: Edo period, around the Keiō era (1865–1868)
Shape: A long katana with wide blade width, thick kasane, and strong curvature.
The kissaki is extended, giving the sword a robust and powerful appearance.
Jigane: Ko-itame hada, well-forged and of high quality.
Hamon: Nie-based suguha with active ko-ashi.
The boshi is large, stretches out, and returns roundly.

Features:　Sadamitsu was a disciple of Gassan Sadakazu and referred to himself as Ryūunsai of Heianjo in Yamashiro province.
This work measures 78.2 cm in blade length, has wide mihaba, and is a solid and robust piece.
Being a student of Gassan Sadakazu, his craftsmanship is of high quality.
It was made around the Keiō era in the late Edo period.
There are works very similar to those of Gassan Sadakazu, suggesting that he may have also produced swords on his behalf.
The sword features a dignified and impressive ō-kissaki, making it a remarkable and attractive piece.

NBTHK Hozon Token
Aoi Art estimation paper: Whole Oshigata