AS24452 Katana: Chikushū-jū So Tsutomu & Hikaru(Feburary, 2002)

Katana in Shirasaya

Signature:
Chikushū-jū So Tsutomu & Hikaru Collaboration
筑州住宗勉光合作
Heisei 14 Nen Shogatsu Kichijitsu (Feburary, 2002)
平成十四年正月吉日

We divide 4 sections for each sword as Saijyo Saku, Jyojyo Saku, Jyo Saku and Regular Saku.
This piece is ranked as Saijyo Saku among the works of Chikushū-jū So Tsutomu & Hikaru.

Habaki: Silver double Habaki with gold color.
Blade Length: 75.0 cm (29.53 in)
Curvature: 1.8 cm (0.71 in)
Mekugi Hole: 1
Width at Base (Motohaba): 3.30 cm (1.30 in)
Width at Tip (Sakihaba): 2.49 cm (0.98 in)
Thickness of rim (Kasane): 0.69 cm (0.27 in)
Sword Weight: 890 g
Era: 2002 (Heisei 14)
Shape: wide and thick stout blade with sharp-looking kissaki.
Jigane: fine Koitame hada with visible Chikei
Hamon: Nioi-deki gunome and Chomidare with Ashi.

Features: Chikushū-jū So Tsutomu was a contemporary swordsmith who has been designated Mukansa (exempt from competition due to exceptional skill).
This blade is a collaborative work with his disciple, Hikaru.
It features a well-forged, refined jigane with active chikei, and the hamon is reminiscent of the style of Koyama Munetsugu. This blade has a robust form with a sharp kissaki, and both Jigane and Hamon are beautifully executed, making it a truly impressive work.

Aoi Art estimation paper: Whole Oshigata