Katana, Shirasaya

[ Signature ] omote : 於大坂和泉守国貞　ura : -

[ Size ] Blade length: 66.35cm (2 shaku 1 sun 9 bu 0 rin), Curvature: 1.5cm (5 bu 0 rin), Base width: 3.02cm, Base thickness: 0.71cm, Tip width: 2.11cm, Tip thickness: 0.53cm, One mekugi hole, Blade weight: 748g, Total length with white scabbard: 92.7cm

[ Province ] Settsu

[ Feature ]
Form : Hira-zukuri, iori-mune, broad body, thick layers, slight difference in width between base and tip, shallow curvature, extending middle-cut tip.
Nakago : Raw tang, file marks in diagonal pattern, tip with chestnut-shaped butt, two mekugi holes. Approximately two sun in length.
Jigane : The jigane (base metal) exhibits board grain intermixed with mokume (wood-grain pattern), with jinie (fine grain) and chikei (fine grain lines) present, and a clear iron (silver-like grain).
Hamon : The hamon (temper line) features a wavy pattern intermixed with gunome (interlocking teeth), with deep nioi (scent), ashi (foot), well-defined nie (boil), and a mune-yaki appeared.
Boushi : The boshi (tip) has a wavy character, sweeping towards the tip to form a small maru (round tip), returning rather long.

[ Highlight ] The first Izuminokami Kunisada (Oya-Kunisada) was born in Obi, Hyūga Province. He travelled to Kyoto and became a late disciple of Horikawa Kunihiro, also receiving instruction from Kunihiro's pupil Kunitomo. Following Kunihiro's death in Keichō 19 (1614), he relocated to Osaka and received the title of Izuminokami in Genna 9 (1623). Alongside his fellow disciple Kawachi no Kami Kunisuke, he flourished as a founding figure of the Osaka smiths. In his later years, he became a Buddhist monk, taking the name Dōwa, and passed away in the fifth year of Keian (1652), aged sixty-three. This work features a richly scented blade with abundant nie boils, displaying a splendid hamon pattern where mutsu-me intermingles with guno-me. The wide yakihada forms large patterns, combining with its imposing form to create a powerful presence.

[ Conditions ] It is an old polish, but generally in excellent condition.

[ Attachments ] Habaki(suaka-ji, gold foiled, arabesque design, single), shirasaya, bag of shirasaya, and NBTHK Tokubetsu hozon paper 特別保存刀剣鑑定書(issued on 21st feb. Reiwa 7(2025))

[ Item number ] A021025 [ Price ] JPY 1,200,000- (shipping and insurance fee are not included in the price)

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