細節
AN EDO SHIMOSAKA TACHI
EDO PERIOD (CIRCA 1620), SIGNED (AOI MON) NAMBANTETSU-O MOTTE BUSHU EDO NI OITE/ECHIZEN YASUTSUGU
Configuration (sugata): with longitudinal ridge line (shinogi-zukuri) with shallow peaked back (iori-mune) and medium size point (chu-kissaki); length (nagasa): 2 shaku, 2 sun, 8 bu (69.3cm.); curvature (sori): koshi-zori of 1.5cm.; increase in width of blade (fumbari): 0.9cm; carving (horimono): outside: dragon; inside: five archaized kanji.
Forging pattern (jihada): rough wood grain (kasudatsu).
Tempering pattern (hamon): medium suguba.
Point (boshi): small and rounded (ko-maru).
Tang (nakago). Shape (keitai): strongly tapering and unshortened (ubu); file marks (yasurime): sujikai; end (nakagojiri): kengyo; holes (mekugi-ana): two; signature (tachimei): (aoi-mon) Nambantetsuo motte Bushu Edo ni oite/Echizen Yasutsugu.
Shirasaya.
EDO PERIOD (CIRCA 1620), SIGNED (AOI MON) NAMBANTETSU-O MOTTE BUSHU EDO NI OITE/ECHIZEN YASUTSUGU
Configuration (sugata): with longitudinal ridge line (shinogi-zukuri) with shallow peaked back (iori-mune) and medium size point (chu-kissaki); length (nagasa): 2 shaku, 2 sun, 8 bu (69.3cm.); curvature (sori): koshi-zori of 1.5cm.; increase in width of blade (fumbari): 0.9cm; carving (horimono): outside: dragon; inside: five archaized kanji.
Forging pattern (jihada): rough wood grain (kasudatsu).
Tempering pattern (hamon): medium suguba.
Point (boshi): small and rounded (ko-maru).
Tang (nakago). Shape (keitai): strongly tapering and unshortened (ubu); file marks (yasurime): sujikai; end (nakagojiri): kengyo; holes (mekugi-ana): two; signature (tachimei): (aoi-mon) Nambantetsuo motte Bushu Edo ni oite/Echizen Yasutsugu.
Shirasaya.