Ordering number : 13142
Tanto in Shirasaya, with Koshirae.(NBTHK Tokubetsu Kicho Paper)
The blade was polished.
Habaki : Solid silver single habaki.
Blade length : 22.0 cm or 8.66 inches.
Mekugi : 2
Width at the hamachi : 1.99 cm or 0.78 inches.
Kasane : 0.47 cm or 0.18 inches.
Era : Mid to late Muromachi period. Around year 1485.
Shape : The blade is regular size and takenokozori style.
Jitetsu : Koitame hada well grained with jinie attached. Haki utsuri(white fog like texture) can be observed on the ji.
Hamon : The hamachi area is suguha but it gradually becomes ko gonome midare and hitatsura.
It has delicate yet active streaks of sunagashi, nijyuuba, and kinsuji seen.
Special feature : The first generation HIrotsugu was successful during the Bunmei period（Year1469 to Year 1486).
In Eisho period, the second generation has produces Soshuden blades in Sagami.
If we retrace the past, many swordsmith flourished from first generation HIromitsu of Nanbokuchou period.
It is not known why it is ubumumei(ubu unsigned) but in the Bunmei period, the nakago becomes long and enticing.
Koshirae : Shark skin wrapped on aikuchi koshirae
Menuki : Shakudou base with design of the traveler engraved and inlayed with gold.
Historical background : Year 1485（Bunmei year 17th） Yamashiro no kuni Ikki(Yamashiro no Kuni Uprising) The country and the peasant tag together to remove the Provincial Daimyo
Hatakeyama and make a new council.
NBTHK Tokubetsu Kicho Paper
Aoi Art estimation paper : whole Oshigata.
Price：JPY 250,000-.(including shipping and 100% insurance fee)