Minamoto Ippō katana with saidan mei, Kin Zogan Futatsu-dō kiri-otoshi Nezu Saburōbei Mitsumasa + kaō

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Minamoto Ippō katana with saidan mei, Kin Zogan Futatsu-dō kiri-otoshi Nezu Saburōbei Mitsumasa + kaō

 

Nagasa 63.6cm

Sori 1.8cm

Motohaba 3.05cm

Motokasane  0.73cm

Sakihaba 21.2cm

Sakikasane 0.53cm

NBTHK Certificate

Kantei – Sho (鑑定書) – APPRAISAL
No 4821

katana , signed: Gōshū-jūnin Sasaki Nyūdō Minamoto Ippō (江州住⼈佐々⽊⼊道源⼀峯) “Lay priest Sasaki Minamoto Ippō, resident  of Ōmi province”

kinzōgan – mei : Genroku san kanoe-uma jūnigatsu muika ‒ Futatsu-dō kiri-otoshi Nezu Saburōbei Mitsumasa + kaō (元禄三庚午⼗⼆⽉六⽇・⼆ツ胴切落根津三郎 兵衛光政「花押」) ‒ “Nezu Saburōbei Mitsumasa cut [with this blade] on the sixth day of the twelfth month of Genroku three (1690), year of the horse, through two bodies + monogram”

Nagasa ~ 63.6 cm

According to the result of the shinsa committee of our society, we judge this work as authentic and rank it as Koshu – Tokubetsu – Kichō Tōken .

October 12, 1976

[Foundation] Nihon Bijutsu Tōken Hozon Kyōkai, NBTHK (⽇本美術⼑劍保存協會) [President] Honma Junji (本間順次)

 

 

IPPŌ (一法), Jōō (承応, 1652-1655), Yamashiro – “Jōshū Fujiwara Hokkyō Ippō” (城州藤原法橋一法), “Heki Yamashiro no Daijō Minamoto Ippō” (日置山城大掾源一法), “Heki Yamashiro no Kami Minamoto Ippō” (日置山城守源一法),
real name Heki Ichinojō (日置一之丞), he also bore the first name Saburōzaemon (三郎左衛門) and belonged to the school of Ishidō Korekazu (石堂是一),
he worked in Kyōto but it is said that he also made some blades in Edo, hiro-suguha with saka-ashi

IPPŌ (一法), Genroku (元禄, 1688-1704), Musashi – “Tsushima no Kami Tachibana Ippō” (対馬守橘一法), “Tsushima Nyūdō Tachibana Ippō” (対馬入道橘一法), 
according to a theory this was the nyūdō-gō of the Ishidō smith Tsushima no Kami Tsunemitsu (常光), other see him as a separate smith, there exists a date signature of the eleventh year of Genroku (1698)
 with the age of 73 which would support the theory that this was a pseudonym of Tsunemitsu that he used in his later years, other sources list Ippō also with another gō, Chikyū (知休), which was in turn used by Tsunemitsu too

IPPŌ (一峯), 1st gen., Keian (慶安, 1648-1652), Ōmi – “Ippō” (一峯), lived in Sasaki (佐々木) in Ōmi province, he belonged to the Ōmi-branch of the Ishidō school (石堂), suguha, gunome-midare, chōji-midare, suguha mixed with midare,
notare-midare, also with nie and sunagashi, it is said that he also used nanban-tetsu, wazamono, jō-saku

IPPŌ (一峯), 2nd gen., Genroku (元禄, 1688-1704), Ōmi/Edo – “Gōshū-jūnin Sasaki Zenshirō Minamoto Ippō” (江州住人佐々木善四郎源一峯), “Gōshū-jūnin Sasaki Nyōdō Minamoto Ippō” (江州住人佐々木入道源一峯),
real name Sasaki Zenshirō (佐々木善四郎), he moved later to Edo and settled there in the Akasaka (赤坂) district, chōji- midare, gunome-midare,
 suguha mixed with midare, notare-midare, he also hardened a chōji-gunome-midare in the style of the Ichimonji school, it is said that he also used nanban-tetsu, wazamono, jō-saku