World Coin BookWorld coin encyclopedia

Tokugawa monetary system

Edo Copper and Iron Cash

Counted mon coinage includes long-running Kanei Tsuho, later iron issues, four-mon brass, and large Tempo Tsuho.

江戸銅銭・鉄銭Edo dōsen and tessen

Core routes
14
Issue studies
12
Recoinage records
21
Local status
Published

Context

Historical and monetary setting

Authorized cash-mint networks expanded and changed over time; they should not be collapsed into one modern mint.

Identification

How to classify the object

Legend, calligraphy, reverse marks, metal, dimensions, weight, casting, and production context all matter.

Evidence boundary

What this page does not claim

Nominal mon values do not imply proportional metal content or a constant exchange into gold and silver.

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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.

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