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1 Mon "Keichōtsūhō" - Keichō
🇯🇵 Japan · 1 Mon "Keichōtsūhō" - Keichō · 1333–1870
| Weight | 2.21 g |
| Diameter | 23 mm |
| Composition | Copper |
| Melt value | — |
| Reference | DHJ# 3.40-3.42, KM# 5, JC# 07-2-1 |
| Collector's Key World ID | CKW-JPN-16 |
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Varieties & References
No additional varieties recorded.
External references
Frequently Asked QuestionsFAQ
What is a 1606 Japan 1 Mon "Keichōtsūhō" - Keichō made of?
Copper, weighing 2.21 g.
What is the melt value of a 1606 Japan 1 Mon "Keichōtsūhō" - Keichō?
Its melt value is its metal content multiplied by the current spot price. See our melt calculator on the metals pages for a live figure.
Is the 1606 Japan 1 Mon "Keichōtsūhō" - Keichō a key date?
It's a more common issue overall, though scarcer varieties may carry a premium — see the varieties list.
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