A KO-BIZEN TACHI

Details
A KO-BIZEN TACHI
HEIAN PERIOD (CIRCA 10TH CENTURY), SIGNED [GAKU-MEI], TAKAHIRA

Configuration (sugata): with longitudinal ridge line (shinogi-zukuri), shallow peaked back (iori-mune) and medium point (chu-kissaki); length (nagasa): 2 shaku, 1 sun, 0.5 bu (63.8cm.); curvature (sori): koshi-zori of 2.0cm.; increase in width of blade (fumbari): 0.8cm.; carving (horimono): kaki-nagashi bo-hi on both sides extending deeply into the tang.
Forging pattern (jihada): ko-mokume.
Tempering pattern (hamon): ko-midare with some sparse 'swept sands' (sunagashi) and becoming very slightly wider towards the yokote.
Point (boshi): small and rounded (ko-maru) with slight kaeri.
Tang (nakago). Shape (keitai): o-suriage; file marks (yasurime): new (kiri-yasuri); end (nakagojiri): squared (kirijiri); holes (mekugi-ana): one; signature (katana gakumei): (inset) Takahira.

Gold habaki with Shimazu mon.

Shirasaya with attestation signed Ko shaku Iwakura ke, (Household of Prince Iwakura) and sealed.

Accompanied by an origami (photostat copy only), signed by the Shimazu [daimyo of Satsuma] household claiming that the blade had been a gohairyo, a present from the shogun Tokugawa Iemitsu who travelled to the Shimazu Sakurada Mansion and presented the blade on Kanei 7 (1630), 4th month, 18th day; and an origami, signed by the Iwakura household, dated Meiji 23 (1890), stating that Shimazu presented the blade as a present [to Iwakura Totomi].
Provenance
Shogun Tokugawa Iemitsu, 1604-1651 (purported)
Shimazu Family, daimyo of Satsuma (purported)
Prince Iwakura Totomi
Lillard P. Miller, San Antonio, Texas