Japan 1 Bu "Tenpo Ichibu Kin", 1837 – 1858
Information
Country
Japan
Currency
Ryō
(1595 – 1874)
Coin type
Standard circulation coin
Denomination
1 Bu
Year
1837 – 1858
Ruler
Ninkō
(1817–1846)
Composition
Gold (.568) (Au 56.8% , Ag 43.2%)
Shape
Rectangular (irregular)
Alignment
Medal alignment ↑↑
Technique
Hammered
Weight (g)
2.85
Demonetized
1 January 1870
Mintage & Variants
| Date | Mintage | Comment | Frequency | |
|---|---|---|---|---|
| ND (1837-1858) | — | 保 in top-rigth corner of reverse |
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