AS25071 Katana:Awataguchi Omi no Kami Tadatuna(NBTHK Tokubetsu Hozon Token)

Katana: Shirasaya with Koshirae (NBTHK Tokubetsu Hozon Token)

Signature: Awataguchi Omi no Kami Tadatuna
粟田口近江守忠綱

Shinto: Jyojyo Saku: Ryowazamono: Settsu Province
(We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku)
This work is ranked as Jyojyo Saku among the works of Awataguchi Omi no Kami Tadatuna.
Habaki: Gold-foiled single-layer habaki
Blade Length: 73.4 cm (28.90 in)
Curvature: 2.0 cm (0.79 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.17 cm (1.25 in)
Width at Tip (Sakihaba): 2.23 cm (0.88 in)
Thickness of Rim (Kasane): 0.81 cm (0.32 in)
Sword Weight: 845 g (1.86 lb)
Era: Edo period, around the Genroku era (1688–1704)
Shape: Wide-bodied, thick, with slightly deep curvature and an extended kissaki (tip), showcasing a well-balanced structure.
Jigane: Koitame-hada with a well-forged, fine-grained surface, demonstrating excellent quality.
Hamon: Nie-deki, starting as a straight temper line (suguha) near the base, transitioning into a choji-midare (clove-shaped pattern) that continues beautifully towards the tip, where it sharpens and turns back elegantly.

Features:　The second-generation Awataguchi Omi no Kami Tadatuna was the son of the first generation of the same name. This piece is slightly suriage (shortened), but the nakago remains intact. The hamon features a vibrant choji-midare pattern, indicating superb craftsmanship. Furthermore, the polish on this sword is well-executed, enhancing its already excellent appearance.

Koshirae:
Tsuba: Slightly large, round iron tsuba, decorated with gold lines depicting cedar trees.
Fuchikashira: Shakudo base with a design of Fudo Myoo (Acala) meditating in a bamboo grove.
Fuchi: High-relief carvings of clouds, river flows, and bamboo groves with gold highlights.
Saya (Scabbard): Black roiro (lacquered) finish.
Menuki: Decorated with a carved dokko sword motif.

Aoi Art’s Comment:　This 73.4 cm katana by Awataguchi Omi no Kami Tadatuna is a healthy and well-preserved piece. It is the work of the second generation, demonstrating even greater craftsmanship than that of the first generation.

NBTHK Tokubetsu Hozon Token
AoiArt estimation paper: Whole Oshigata