Ordering number : 18480
Katana in Shirasaya with Koshirae.
Signature :Yosyu Jyu Kunimasa
(We divide 4 sections for each sword as Saijyo saku, Jyojyo saku Jyo saku and regular saku)
This sword belongs to Jyo saku ranking.
The blade was polished.
Habaki :Gold color single habaki.
Blade length : 68.6 cm or 27.0inches.
Sori :0.4cm or 0.15 inches.
Mekugi : 2
Width at the hamachi : 3.07cm or 1.20inches.
Width at the Kissaki : 2.18 cm or 0.85inches.
Kasane : 0.74cm or 0.29 inches.
Era : Late Edo period.
Shape : The blade is Machiouki with small sori and long Kissaki.
Jigane :Koitame hada well grained with jinie attach nice Mochitetu jigane(rice grained soft cake)
Hamon :Niedeki suguha rather tight and bright, clear.
Bo-shi is round shape.
Special feature:First generation Yosyu Kunimasa started from Kanbun era and continued to 6th generation. This sword looks 6th generation and studied under the Bizen Sukeharu.
Saya :red color Byakudan nuri (paint by special way which is called Byakudan nuri)
Tsuba :On the round shape iron tsuba, flower and grille design are engraved open work.
Menuki : It looks like a dragon is engraved with gold color.
Fuchikashira:On the syakudo plate, a peony flower is engraved with gold color.
From Aoi Bijyutsu. The sword is slightly suriage but the Jigane is quite well grained and with nice polish was done. Koshirae is also nice Byakudan nuri good Koshirae. the blade is suitable for watching the blade and also Iai practice.
NBTHK Hozon paper
Aoi Art estimation paper : whole Oshigata.