Obverse
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Reverse
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1 Ryō "Hōei Koban" (Reverse 乾 KEN)
🇯🇵 Japan · 1 Ryō "Hōei Koban" (Reverse 乾 KEN) · 1589–1868
| Weight | 9.34 g |
| Composition | 83.40% Gold |
| Melt value | — |
| Reference | Fr# 11, JC# 03-6 |
| Collector's Key World ID | CKW-JPN-86 |
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Varieties & References
No additional varieties recorded.
External references
Frequently Asked QuestionsFAQ
What is a 1710 Japan 1 Ryō "Hōei Koban" (Reverse 乾 KEN) made of?
0.834 Gold, weighing 9.34 g.
What is the melt value of a 1710 Japan 1 Ryō "Hōei Koban" (Reverse 乾 KEN)?
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 1710 Japan 1 Ryō "Hōei Koban" (Reverse 乾 KEN) 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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