Ordering number: 22429
Katana in Shirasaya (NBTHK Tokubetsu Hozon Token)
Signature: Koushu Junin Sasaki Zenshiro Minamoto Kazumine
Namban Motte Tetsu Tsukuru kore
(translation: Sasaki Zanshiro Minamoto Kazumine from Koushu province made this
sword from western iron.)
Shinto: Jyo saku: Wazamono: Oumi
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular
This sword belongs to Saijyo saku ranking.
The blade was polished.
habaki: Gold foiled double Habaki
Blade length:71.21cm or 28.13inches.
Sori:1.67cm or 0.65inches.
Width at the hamachi:3.13cm or 1.23inches.
Width at the Kissaki:2.04cm or 0.80inches.
Kasane:0.7cm or 0.27inches.
The weight of the sword:740grams
Era: The Tenna era, the Edo period
Shape: The blade is slightly broad and thick with adequately deep Sori and slightly longer Kissaki.
Jigane: Koitamehada is grained well. Beautiful Jigane.
Hamon: Niedeki with deep Nioikuchi, Gunomemidare is thick with uneven changes of height. Everything is in good order and well-forged. Boshi is so called “Kotetsu Boshi” and it looks like a head of a snake and turns back deeply.
Special feature: Sasaki Zenshiro Minamoto Kazumine is the 1st son of Kazumine. He had the same style of his father: Gunomemidare with deep Nie.
From Aoi Art: The number of Kazumine swords is small, but they are really well-made and as good as Toranba made by Sukenao. It could have been in a higher class if it would be more solid.
NBTHK Tokubetsu Hozon Token paper
Aoi Art estimation paper: whole Oshigata by Ayaka Tsuruta