細節
AN ISE TANTO
MUROMACHI PERIOD (CIRCA 1530), SIGNED MASASHIGE
Configuration (sugata): flat (hira-zukuri) with tri-bevelled back (mitsu-mune); length (nagasa): 7 sun, 8 bu (23.7cm.); curvature (sori): muzori.
Forging pattern (jihada): fine and open-grained itame.
Tempering pattern (hamon): shallow, rolling gonome with 'swept sands' (sunagashi) in the areas of lowest convexity, executed in bright ko-nie.
Point (boshi): ko-gonome culminating in a small Jizo and reversing into a shallow, medium kaeri.
Tang (nakago). Shape (keitai): tanago-bara and unshortened (ubu), the dry, brown tang is pocked in the upper 2/3, but displays a smooth, slightly glossy surface in the bottom area; file marks (yasurime): new (kiri-yasuri); end (nakagojiri): rounded (kurijiri); holes (mekugi-ana): two; signature (mei): Masashige.
Shirasaya with attestation by Sato Kanzan.
Accompanied by a koshu tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 5114, dated Showa (1950).
MUROMACHI PERIOD (CIRCA 1530), SIGNED MASASHIGE
Configuration (sugata): flat (hira-zukuri) with tri-bevelled back (mitsu-mune); length (nagasa): 7 sun, 8 bu (23.7cm.); curvature (sori): muzori.
Forging pattern (jihada): fine and open-grained itame.
Tempering pattern (hamon): shallow, rolling gonome with 'swept sands' (sunagashi) in the areas of lowest convexity, executed in bright ko-nie.
Point (boshi): ko-gonome culminating in a small Jizo and reversing into a shallow, medium kaeri.
Tang (nakago). Shape (keitai): tanago-bara and unshortened (ubu), the dry, brown tang is pocked in the upper 2/3, but displays a smooth, slightly glossy surface in the bottom area; file marks (yasurime): new (kiri-yasuri); end (nakagojiri): rounded (kurijiri); holes (mekugi-ana): two; signature (mei): Masashige.
Shirasaya with attestation by Sato Kanzan.
Accompanied by a koshu tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 5114, dated Showa (1950).