Katana
JB-1021 Katana
Katana Signed Teruhide (輝秀) — Ishidō Korekazu
A katana signed 輝秀 (Teruhide) — the niji-mei of Musashi Ishidō Teruhide, last of the Ishidō Korekazu line — in characterful civilian koshirae bearing a manji family crest.
JB-1012
£4,500
Spring 1943 Koa Isshin Mantetsu (serial HI 624) — among the last of the recorded 1943 Mantetsu blades, with the muji-hada and suguha hamon that define the type.
- School
- Mantetsu (Manchurian Railway Forge, 満鐵)
- Period
- Shōwa, Spring 1943
- Mounting
- Shin Guntō (army officer)
- Hada
- Muji-hada — the very tight, almost grainless surface that is the signature of Mantetsu construction.
- Hamon
- Suguha (straight temper line).
Mei (signature)
興亜一心満鐵 ／ 昭和十八年春 ヒ六二四
Kōa Isshin Mantetsu / Shōwa Jūhachi-nen Haru — HI 624
"Asia, of One Spirit — Mantetsu" / Spring 1943, serial HI 624
The Koa Isshin Mantetsu series, “Asia, of One Spirit,” was produced at the South Manchuria Railway’s Anshan forge from a proprietary modern steel rather than tamahagane, designed to deliver a battlefield-ready katana with uniform properties across thousands of blades. Mantetsu construction is identified at a glance by its almost grainless muji-hada and an austere suguha hamon, the decorative detail deliberately suppressed in favour of structural reliability.
This example carries the cyclical-date mei Shōwa Jūhachi-nen Haru (Spring 1943) with the kana serial HI 624, placing it among the last recorded Koa Isshin blades of 1943. Mantetsu output declined sharply through 1944–45 as Manchurian production was disrupted, and surviving 1943 examples, particularly late-1943 ones with intact Shin Guntō koshirae, are increasingly sought after by collectors in Japan, the UK and the US.
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Unsigned katana of the Shinto period, attributed by form and construction to the mid-17th century — a generation defined by the consolidation of Edo-era smithing traditions.
