Ordering number: 22045
Katana in Shirasaya with Koshirae(NBTHK Tokubetsu Hozon Token)
Signature : Suifu Ju Katsumura Norikatsu Saku
Ansei 6 Nen 8 Gatsu Hi
Shinshinto Jyo saku: Hitachi
(We divide 4 sections for each sword as Saijyo saku, Jyo-jyo saku, Jyo saku, and regular
This sword belongs to Jyo-jyo Saku ranking.
The blade was polished.
Habaki: Shakudo single habaki.
Blade length: 39.9cm or 15.70inches.
Sori: 0.6cm or 0.23inches.
Width at the hamachi: 2.92cm or 1.14inches.
Kasane: 0.73cm or 0.28inches.
The weight of the sword: 455grams.
Era: Ansei 6, the Edo period
Shape: Sun-nobi Tanto made like Kanmuri-Otoshi or Naginata-Naoshi. The blade is
broad and thick. A really solid work.
Jigane: Masamehada is grained well. Beautiful Masame is visible.
Shinogiji: Masamehada appears clearly.
Hamon: Niedeki Suguha. Koashi works well. Nioikuchi gets deeper from near Monouchi, Hamon becomes deeper. Boshi turns back round and the tip turns softly.
Special Feature: Suifu Ju Katsumura Norikatsu was originally named Katsumura Hikoroku, and later became a member of Mito Domain, and became a pupil of Norimune. He was close to Hosokawa Masayoshi, Koyama Munetsugu, and Unju Korekatsu after he moved to Edo. Norikatsu the 2nd quitted to make swords after the Haito Edict in Meiji 4. This work is a Sun-Nobi Tanto and it is really rare.
Fuchi: On Shakudo-Nanako plate, horse is engraved with gold color.
Saya: Black Roiro Saya
Menuki: On Shakudo plate, bow and arrows are engraved with gold color.
NBTHK Tokubetsu Hozon Paper
Aoi Art estimation paper: whole Oshigata By Ayaka Tsuruta