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Hamon : Nie-deki gunome midare with a sugu-yakidashi. The hamon is in the uma-no-ha (horse tooth) style. The nioi guchi is thick and bright. Ashi and sunagashi can be seen.
Boshi : Ko-maru with a long return.
Kitae : Ko-itame mixed with masame near the shinogi. Profuse ji-nie and chikei. The shinogi-ji is masame with some nagareru masame.
About this katana : This is a very long katana by Omi no Kami Sadahiro. He was from Mino and moved to Owari. His works date to around Kyoho (1716-1736). He also used the mei of "Bishu Junin Sadahiro" as with this example. Based on the mei of "Bishu junin" we can know that this work was made after his move to Owari.
Ubu zamei katana in this length are highly desirable and seldom available. The nagasa is indeed impressive at 29.52 inches. It is difficult to make long blades. It requires a larger amount of raw material and time in comparison to a jo sun katana. Yaki-iri difficulty is increased due to the task needed of even tempering and control throughout the entire span of the blade. This blade shows excellent control in the nioi guchi. There are not dim areas or thin areas in the nioi-guchi and the work is quite well made overall.
This blade is in full polish and it has no kizu. The kesho polish is nicely done. The geometry is crisp with smooth radiuses. This katana is ubu with one ana. It has a gold foil niju habaki and an older shira-saya with some small dents. A NBTHK Tokubetsu Kicho paper accompanies this blade. It was issued in 1966. At this time, the next level up was Juyo token. The "blue" papers (Koshu Tokubestu Kicho) were not introduced until 1973. A great opportunity to own a massive ubu, zaimei, polished, papered shinto katana.
$6300
