AS25729 Katana: Sasshu ju Masayoshi 薩州住正良 An’ei Hachi nen Inoshishi Hachi-gatsu 安永八年亥八月 (Dated August, An’ei 8, Year of the Boar, 1779)(NBTHK Tokubetsu Hozon Token)

Description

Ordering Number: AS25729

Katana in Shirasaya, with Koshirae (NBTHK Tokubetsu Hozon Token)

Signature: Sasshu ju Masayoshi 薩州住正良
An’ei Hachi nen Inoshishi Hachi-gatsu 安永八年亥八月
(Dated August, An’ei 8, Year of the Boar, 1779)

Shinshinto: Hoki no Kami: Jyojyo-saku.
(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku).
This blade is ranked as Jyojyo Saku among the works of Sasshu ju Masayoshi.
Habaki: Double-layer gold-covered habaki.
Blade Length: 70.30cm (27.68in)
Curvature: 1.52cm (0.60in)
Mekugi-ana: 1
Motohaba: 3.31cm (1.30in)
Sakihaba: 2.15cm (0.85in)
Kasane: 0.78cm (0.31in)
Weight: 805g
Era: late Edo period, 1779
Shape: A powerful blade with wide mihaba, thick kasane, deep curvature, and an elongated kissaki, giving it an excellent overall appearance.
Jigane: Well-forged ko-mokume hada.
Hamon: Nie-deki with a deep nioiguchi, mixed with notare.
The boshi continues into an irregular midare pattern.

Features: Sasshu ju Masayoshi was a Satsuma swordsmith and a disciple of Masachika.
In Kansei 1 (1789), he received the honorary title of Hoki no Kami and changed his name to Masayuki.
He died in Bunsei 2 (1819) at the age of 87.
This blade is illustrated in Kozu Haku Oshigata, p.1093.

Koshirae:
Tsuba: Iron tsuba carved with floral motifs and decorated with gold and silver iroe.
Fuchikashira: Carved with dragons and waves, highlighted with gold iroe.
Saya (Scabbard): Aogai-chirashi saya.
Menuki: Dragon motifs carved and highlighted with gold iroe.

NBTHK Tokubetsu Hozon Certificate
AoiArt estimation paper: Whole Oshigata

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Ending On: 2026/07/18 (Sat) 10:30

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Auction started
2026/07/11 (Sat) 09:42

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