Recently I purchase this beautiful piece. I wonder if anyone out there might know which of the Kanemitsu line this belongs to. I can attest to its sharpness, the stitches in my hand come out in a few more days. {had to catch it, couldn't let it drop on the floor}. Here is a discription.
Known as a "Yori Doshi" this style of Tanto was constructed with an unusually THICK & ROBUST blade designed to be able to PIERCE Samurai armour
ANTIQUE hand forged "layered & folded" blade produced Circa 1450 - 1550
Blade signed by maker Kanemitsu
There are only 13 sword makers recorded that utilised this signature, several can be eliminated as working too early, & several for being long after manufacture
Shirasaya inscription reads "Noshu Ju Kanemitsu" (Kanemitsu living in Mino province)
The blade shows unmistakeable Mino manufacture traits in the "Taka no Ha Yasuremei" (Swordsmith's signature file-mark pattern) While incredibly feint, after 500 yrs, they can be still positively identified
The blade shows VERY STRONG tempering clearly throughout most of its length & exhibits a very RARE trait "Utsuri" (temperline shadow reflection) Found ONLY when a sword is tempered by heating & quenching at the OPTIMUM temperature
Only the most experienced and SKILLED sword makers were able to produce Utsuri in their blades. The ability to do so "at will" was LOST around the 17th Century, & only re-gained in 1972 by Yoshindo Yoshihara (elevated to the status of "living national treasure" soon afterwards)
There are "Hadaware" (minor forging flaws) in the form of poorly adhered welds after MANY sharpening & polishings throughout it's working life. 95% of ALL Koto swords display Hadaware they are little detraction to knowledgable collectors of KOTO era swords.
Blade length 8.5" along back edge & MASSIVE 7.75 mm thick @ Habakimoto (IE as THICK as any Katana !)
Tang is "Ubu" (As made 500 years ago)
Jon