Details
A BIZEN OSAFUNE TACHI
MUROMACHI PERIOD (CIRCA 1400), SIGNED BISHU OSAFUNE YASUMITSU
Configuration (sugata): with longitudinal ridge line (shinogi-zukuri), shallow peaked back (iori-mune) and long, medium point (chu-kissaki); length (nagasa): 2 shaku, 4 sun, 2 bu (73.5cm.); curvature (sori): koshi-zori of 1.5cm.; increase in width of blade (fumbari): 0.8cm.
Forging pattern (jihada): small wood grain (ko-itame).
Tempering pattern (hamon): irregular clove-like patterns with shallow swells (choji midare/gonome) with some notare near the machi, together with some 'swept sands' (sunagashi) in the low areas, all executed in nioi and ko-nie.
Point (boshi): midare-komi.
Tang (nakago). Shape (keitai): very slightly shortened (suriage); file marks (yasurime): probably new (kiri-yasuri); end (nakagojiri): squared (kirijiri); holes (mekugi-ana): two; signature (tachimei): Bishu Osafune Yasumitsu.
Shirasaya with attestation by Kasumi Toshio (Shunsui), dated Showa 40 (1965).
Accompanied by a tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 62987, dated Showa 37 (1962).
MUROMACHI PERIOD (CIRCA 1400), SIGNED BISHU OSAFUNE YASUMITSU
Configuration (sugata): with longitudinal ridge line (shinogi-zukuri), shallow peaked back (iori-mune) and long, medium point (chu-kissaki); length (nagasa): 2 shaku, 4 sun, 2 bu (73.5cm.); curvature (sori): koshi-zori of 1.5cm.; increase in width of blade (fumbari): 0.8cm.
Forging pattern (jihada): small wood grain (ko-itame).
Tempering pattern (hamon): irregular clove-like patterns with shallow swells (choji midare/gonome) with some notare near the machi, together with some 'swept sands' (sunagashi) in the low areas, all executed in nioi and ko-nie.
Point (boshi): midare-komi.
Tang (nakago). Shape (keitai): very slightly shortened (suriage); file marks (yasurime): probably new (kiri-yasuri); end (nakagojiri): squared (kirijiri); holes (mekugi-ana): two; signature (tachimei): Bishu Osafune Yasumitsu.
Shirasaya with attestation by Kasumi Toshio (Shunsui), dated Showa 40 (1965).
Accompanied by a tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 62987, dated Showa 37 (1962).