Tachi blade "Naohiro" with Katana
blade length 73.7cm, curvature 2.4cm, thickness at the base
8mm, width at the base 32mm, weight 860g.
It is a tachi style blade with a beautiful choji hamon.
The steel is fine with a small wood grain layer pattern.
The hamon is made of mainly konie (small particles) and
additionally nie (large particles), making a choji pattern.
The brightness of hamon is also attractive as well as
The utsuri (shadow of hamon) appears as an irregular
pattern but it is not very clear by this polishing. Probably it will become
clear by longterm treatment, proper way with uchiko powder and choji oil.
The amazing view of hamon and utsuri indicates the quality
of this blade.
On the whole, This is a beautiful blade with well organized
shape, attractive hamon/utsuri, and clear coloured steel.
This blade is polished by a classical style (sashikomi).
But the steel colour by front seeing is black like a modern style polishing
as if we could call it "modern sashikomi" style. Usually sashikomi style
polishing has more dim colour of steel by front seeing.
Therefore this blade looks more attractive for eye by
In other hand, when we try to study the hamon/utsuri
by proper reflection of light, the view of utsuri is a little masked by
the polishing work. It is a dilemma of polishing, which is better natural
colour to study blade well, or makeup colour to show blade attractive?
Anyhow this is a very beautiful blade even if the view
is a little made up by skilful polishing.
The habaki is polished silver.
The tang has two holes and a little rusted, that was
made by the last owner.
It is a history of this blade.
"Keiun Naohiro (seal)"
"kinoe saru ni gatsu nichi" (2004 February)
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