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Representative Edo issue

Early Kanei Tsuho One-Mon Cash

Early Kanei Tsuho answered the shogunate's need for a more stable counted small-change supply from 1636.

初期寛永通宝一文銭Early Kan'ei Tsūhō

Early Kanei Tsuho One-Mon obverse Early Kanei Tsuho One-Mon reverse
Jean-Michel Moullec · CC BY 2.0 · via Wikimedia Commons · approved precise-object cleanup and deterministic derivative preparation. · Exact early Kan’ei Tsūhō one-mon, Shiba in Musashi, 1636–1640; the blank reverse is documentary, not a placeholder.
Years
From 1636
Metal branch
copper
Value or unit
1 mon
Catalog fineness

Context

Historical and monetary setting

Production was distributed through authorized cash-mint arrangements rather than one permanent modern mint.

Identification

How to classify the object

Calligraphy, metal, dimensions, weight, casting, and production context are all required.

Evidence boundary

What this page does not claim

The four-character legend alone cannot identify a mint or subtype.

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Related Edo references

Evidence

Sources and scope

These links support the claims on this page. Source authority does not imply permission to republish source images.

Edo Copper and Iron Coinage Bank of Japan Currency Museum

Kanei Tsuho copper, iron, brass four-mon, Tempo Tsuho, and mint-network chronology.

Open source