Long Tanto: Bishu Osafune Motomitsu (Tokubetsu Hozon Token)

Description

Ordering Number: AS26211

Long Tanto: in Shirasaya with Koshirae (Tokubetsu Hozon Token)

Signature: Bishu Osafune Motomitsu 備州長船基光
⬜︎Wa Yo nen Go Gatsu Hi (illegible)和四年五月日

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This sword is ranked as Jyojyo Saku.

Habaki: Plain copper, single-layered
Blade Length: 30.8 cm (12.13 in)
Curvature: 0.4 cm (0.16 in)
Mekugi Hole: 3
Width at Base (Motohaba): 2.65 cm (1.04 in)
Thickness: 0.68 cm (0.27 in)
Sword Weight: 130 g

Shape: slightly wide blade

Jigane: koitame hada with Utsuri.
Hamon:
Nioi-deki with a gunome-midare pattern.
The boshi is pointed and returns in komaru style.

Features:
Bishu Osafune Motomitsu was an early Muromachi swordsmith active during the Nanbokucho period.
The hamon of this sword is listed in Fujishiro Sensei’s volume on Koto swords.
It displays a softly undulating gunome-midare pattern with prominent utsuri.

Koshirae: Aikuchi Koshirae

Menuki: Carved with human figures

Fuchikashira and Kojiri: Iron base inlaid with gold plant motifs

Saya (Scabbard): Black stone-textured lacquer (ishimeji)

Kozuka: Shakudo nanakoji base with a design of a spiny lobster, detailed with gold iroe

Comes with a kogatana (small knife)

Tokubetsu Hozon Certificate
Aoi Art Estimation Paper: Whole Oshigata included

Overseas shipping fee not included



 

Starting bid: ¥750,000

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Ending On: 2026/05/24 (Sun) 10:30
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Bid History

Auction started
2026/05/17 (Sun) 17:49

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