Details
AN OSAKA IKKANSHI WAKIZASHI
EARLY EDO PERIOD (CIRCA 1680), SIGNED AWATAGUCHI OMI (NO) KAMI TADATSUNA, ATTRIBUTED TO TADATSUNA II

Configuration (sugata): with longitudinal ridge line (shinogi-zukuri), shallow peaked back (iori-mune) and medium point (chu-kissaki); length (nagasa): 1 shaku, 7 sun, 2 bu (52.1cm.); curvature (sori): torii-zori of 1.0cm.; increase in width of blade (fumbari): 0.9cm.
Forging pattern (jihada): fine burl (ko-mokume).
Tempering pattern (hamon): a wide hamon of small clove and irregular patterns (choji midare) with many small nie.
Point (boshi): midare-komi with small point (ko-maru). Tang (nakago). Shape (keitai): regular, slightly tapering, ubu and with a dry, brown patina; file marks (yasurime): sloping (sujikai); end (nakagojiri): ha-agari kuri-jiri; holes (mekugi-ana): one; signature (katanamei): Awataguchi Omi (no) Kami Tadatsuna.

Shirasaya.

Silk storage bag.

Accompanied by a futsu kicho token certificate, no number, Showa 34 (1959), issued by the N.B.T.H.K.
Provenance
T. Okajima, New York

Lot Essay

Tadatsuna II, son of Omi (no) Kami Tadatsuna, was known not only for his choji midare hamon, as in this example, but also for his carving, especially dragons or carp swimming against waterfalls.
Asai Tadatsuna I was a native of Himeji in Banshu (Higo Prefecture) and is believed to be a descendant of Awataguchi Kunitsuna. Ikkanshi Tadatsuna II used two types of hamon, one a choji-ha similar to his father's and the other a doran (raging billows); his boshi tended to be midare-komi with a short-to-medium kaeri.

His fame was inadvertently enhanced in 1784 when Tairo (Chief Minister) Tanuma Okitsugu, a man hated for corruption, was assassinated at Edo Castle by Sano Zensaemon with a wakizashi made by Tadatsuna II. As a result, the public began referring to that blade as Yo-naoshi Tadatsuna (the Purging Tadatsuna).

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