¥698,500

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About the school

Ko-Mihara School古三原派

Bingo province, and the town of Mihara on the Numata river within it, gives this school its name. The Mihara group arose at the close of the Kamakura period and worked on through the Nanbokucho years, and the published sources gather the work of that early phase under the collective name Ko-Mihara, reserving Sue-Mihara for the late-Muromachi continuation of the line. What shaped the early smiths was geography turned to craft: Bingo held many estates (*shoen*) of the great Kinai temples and shrines, Toji and the Rengeo-in among them, and the exchange that came with those holdings carried the manner of Yamato into Bingo steel. The two names that stand at the head of the group are Masaie, traditionally made the founder and head of the school, and Masahiro, transmitted as his son or pupil; the record qualifies that tradition from the blades themselves, for signed Masahiro reads the more archaic of the two and neither name belongs to a single hand, the NBTHK gathering several generations under each attribution. Around them work Masanobu and Masamune, named as the smiths who adorned the finale of the line, while the neighboring Kokubunji and Hokke (Ashida) groups, the Sukekuni and Kaneyasu lineages, stand within the same Yamato-influenced Bingo orbit and are forever compared against Mihara in the very texts that designate their blades. The school speaks in one quiet vocabulary across its members. Over an *itame* mixed with *mokume* and flowing *nagare-hada* that stands rather than lies flat and tends to *masame* along the edge, the smiths lay fine *ji-nie*, with *chikei* entering and patches of *jifu*; a pale *shirake-utsuri* rises in the ground of more than half the surviving blades, the steel often reading dark beneath it. The temper is a refined *suguha* or *chu-suguha*, narrow and restrained, mixing *ko-gunome* and a slight *ko-midare* tendency, with *ko-ashi* and *yo* entering well; the *habuchi* frays into *hotsure* and *kuichigai-ba*, *kinsuji* and *sunagashi* thread the *ha*, and the *nioiguchi* stays tight with *ko-nie* rather than glowing with heavy *nie*. The *boshi* runs straight to a gentle *ko-maru*, often brushed with *hakikake*, and burns *yakizume* only on the rarest piece, a calmer return than the Yamato schools proper. The published formula separates the group from those schools in a recurring phrase: compared with Yamato proper the *nie* of *ji* and *ha* runs weaker, the *moku* stands out, the *shirake-utsuri* is conspicuous, and the *boshi* turns back in a rounded manner. Within this one discipline the hands divide. Masaie carries bold *o-kissaki* and the superior ground that lets a *kiwame* settle on him; Masahiro shows a moderate *kissaki* and more *midare* feeling and activity within the *ha*. The same divergence runs forward to the Sue-Mihara of late Muromachi, whose work loosens from the refined early manner. For *kantei*, the Ko-Mihara hand is read by the *ji* and the *ha*, not by drama of temper: the standing whitish *itame* tending *masame*, the quiet *suguha* with its *hotsure* and *kuichigai-ba*, the rounded *hakikake boshi*. Against the Yamato Nara schools the tell is the weaker *nie*, the tighter *nioiguchi* and the rounded rather than *yakizume* return; against the later Sue-Mihara it is the refinement and discipline the early smiths keep. A persistent confusion is Bitchu Aoe, the Shinkan Hidensho writing of old that Mihara's face resembles a Bitchu tachi; the *midare-utsuri* and deep-burning Mihara-*boshi* of certain pieces invite the comparison, which the high *shinogi*, the *shirake-utsuri* and the *futae-ha* hold back toward Mihara. Sukekuni adds a *jifu*-like *utsuri* recalling Bizen Unrui that marks him within the group; Kaneyasu keeps the Hokke line apart by its elevated *shinogi*. The best members stand high in the *Yamato-den* register, Masaie and Masahiro at its head, the meibutsu O-Mihara, a kinzogan-mei katana, invoked for the strikingly deep turnback of the school. Because Yamato discipline kept the early smiths sparing of signature, much of the corpus is *o-suriage mumei* katana settled onto these names by later connoisseurs, several by gold-inlay attribution; the surviving signed and dated tachi, scarce and prized as historical material, carry the chronology of the line. Recorded provenance runs to the first holders, the Tokugawa, the Date, the Shimazu and the Maeda houses and the Imperial collection among them, the finest pieces held in museum and patrimony rather than traded.

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