[ Feature ]
Form : There are "ha"s both side of blade. Shinogi line is curved, moro-ha-zukuri form. Sori attached very little. Compared with length, mihaba is relatively wide. Kasane is ordinal. Small sized tanto.
Nakago : Ubu. Yasurimes are kiri. Saki is kurijiri. One hole.
Jigane : Ko-itame-hada well grained. Jinie attached fine.
Hamon : Sugu tone. Shallow notare attached. Gunomes and kuichigai-bas are mixed. Nioi-kuchi is in urumu. Part by part, nie attached. Yubashiri appeared.
Boushi : Yakitsume. Saki becomes hakikake.
UMETADA Yoshinoby was second son of Akizane(Shigeyoshi). He actively worked at Yamashiro province around Kanei era. Remaining real works are very rare He was good at carving He received Yamato-no-jo, Yamato-no-kami. He standed his workshop around Kamitateuri O-miya higashi hairu.
Signatures : "Yamashiro-no-kuni UMETADA Yoshinobu", "Yamashiro-no-kuni ju UMETADA Yoshinobu" as such. Nenki(time stamps): Kanei 12, 14 and 15.
Referenced materials : " Ilustrated Nihon-to terms dictionary" KAJIWARA Kotoken, "Nihon-to meikan" ISHII Masakuni, supervised HONMA Kunzan (Yuzankaku publishing), "Kanzan swords school vol.1" (O-tsuka-kogei-sha publishing), "Nihon sword whole history vol. 7" KAWAGUCHI Wataru (Rekishi Tosho publishing)
[ Highlight ] Well grained koitame jigane is clear. Suguha based, warm shallow notare midare mixed, nie attached, relatively calm work. Once a leaf of bamboo on the hand, then takes it into characteristic natural form of moro-ha tanto. Strained hardness of blade outlines of blade, essentially it is the outside of human,
however, once in hand, it fit to extension line of hand, as if it integrate to human body. One can feel such reserve (or modesty) of tanto. The signature is not guaranteed, but it is possible to consider that the sword was made by Umetada school or it relatives.
[ Conditions ] There is 1cm long tsukinowa just above boushi of omote. There is umegane on hiraji around machi of ura. It is furutogi(some decades past since last polishment)