AS23417 Katana:Mumei(Unsigned) attributed to Den Nakajima Rai 中島来)(the 17th Juyo Token)(Menuki:NBTHK Hozon Tosogu)

Katana in Shirasaya with Koshirae(the 17th Juyo Token)(Menuki:NBTHK Hozon Tosogu)

Signature: Mumei(Unsigned) attributed to Den Nakajima Rai 中島来)

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 Mumei(Unsigned) attributed to Nakajima Rai works.

Habaki: Gold foiled double Habaki
Blade Length: 70.2 cm (27.64 in)
Curvature: 1.7 cm (0.67 in)
Mekugi Hole: 2
Width at Base: 3.3 cm (1.30 in)
Width at the End: 2.4 cm (0.94 in)
Thickness of Rim (Kasane): 0.7 cm (0.28 in)
Sword Weight: 800 grams
Era: Nanbokucho period
Shape: O-suriage Mumei blade with large width, deep curveture and long kissaki.
Jigane: fine KO-itame hada and Mokume hada with Jinie and Utsuri.
Hamon: Soft and clear Suguha with Nie and Ashi.

Features: Kuninaga, a student of Rai Kunitoshi, moved from Kyoto to Nakajima in Settsu Province, and thus came to be known as Nakajima Rai.
Stylistically, his work resembles that of Rai Kunimitsu but is considered slightly less accomplished.
This piece has a wide body and an imposing appearance with a large kissaki. It features a finely textured jigane with delicate ji-nie and a soft, straight hamon, creating a bright impression.

Koshirae
Tsuba: Flowing stream and autumn leaves are depicted in inlay on an iron base with gold inlay.
Fuchikashira: Design of morning glories,Shakudo base.
Menuki: Depiction of Shishi-dog. Made of gold(So-kin).

the 17th Juyo Token Certificate
Menuki:NBTHK Hozon Tosogu Certificate
AoiArt estimation paper
Whole Oshigata