A LATER SATSUMA KATANA

Details
A LATER SATSUMA KATANA
EDO PERIOD (CIRCA 1790), SIGNED SASHU [NO] JU MASAKIYO SAKU, ATTRIBUTED TO NIDAI MASAKIYO

Configuration (sugata): with longitudinal ridge line (shinogi-zukuri), shallow peaked back (iori-mune) and medium point (chu-kissaki); length (nagasa): 2 shaku, 9 bu, (63.5cm.); curvature (sori): koshi-zori of 1.5cm.; increase in width of blade (fumbari): 1.0cm.
Forging pattern (jihada): dense itame.
Tempering pattern (hamon): sugu-o-midare with active nie.
Point (boshi): ichimai with long kaeri.
Tang (nakago). Shape (keitai): tapering, unshortened (ubu) and with a soft, brown patina; file marks (yasurime): sujikai; end (nakagojiri): iriyamagata; holes (mekugi-ana): one; signature (katanamei): Sashu [no] ju Masakiyo saku.

Shirasaya.

Accompanied by a tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 358039, dated Showa 53 (1978).
Provenance
John Yumoto, San Mateo, California