A BIZEN TANTO

Details
A BIZEN TANTO
MUROMACHI PERIOD, DATED 1563, SIGNED BIZEN [NO] KUNI [NO] JU OSAFUNE KIYOMITSU SAKU

Configuration (sugata): flat (hira-zukuri) with shallow peaked back (iori-mune); curvature (sori): bamboo shoot (takenokozori); length (nagasa): 8 sun 7 bu (26.5cm.).
Forging pattern (jihada): fine grain mokume.
Tempering pattern (hamon): suguba.
Point (boshi): blunted flame-brushed tip (hakikake).
Tang (nakago). Shape (keitai): wide, Bizen type; file marks (yasurime): new (kiri-yasuri); end (nakagojiri): ha-agari kurijiri; holes (mekugi-ana): one; signature (mei): Bizen [no] Kuni [no] ju Osafune Kiyomitsu saku, dated Eiroku 6 (1563) 2nd month, an auspicious day.

Shirasaya.

Aikuchi-koshirae comprising: a black lacquer saya and fuchi-kashira; a single shakudo and gold loquat menuki with strips of same nurisime from the reverse side; an iron kozuka lightly engraved (shishiaibori) with kiku, signed Teiteisai Myochin Munechika[kane] and gold seal reading Unen, circa 1850.
Length of koshirae 40.4cm.; length of tsuka 10.3cm.; length of kozuka 9.4cm. Koshishirae with old chips and damages.

Silk storage bag.

Accompanied by a tokubetsu kicho token certificate issued by the N.B.T.H.K., no. 5504872, dated Showa 55 (1980).