Catalog
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| Issuer | Osaka Mint |
|---|---|
| Year | 1871-1892 |
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| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Gold (.900) |
| Weight | Log in to see details |
| Diameter | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | 年 三十 治 明 · 本 日 大 · 圓 十 · (Translation: Great Japan · Year 13 of Meiji · 10 yen ·) |
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| Mintage | 4 (1871) - 年四治明; Y#12 - 1,867,032 9 (1876) - 年九治明; Y#12a - 1,925 10 (1877) - 年十治明; Y#12a - 36 13 (1880) - 年三十治明; Y#12a - 136 25 (1892) - 年五十二治明; Y#12a; see comment section - |
| Additional information |
The Meiji government introduced this coin as part of Japan's sweeping 1871 New Currency Act, which abolished the chaotic han-issued currency system and pegged the new yen to a decimal standard — a deliberate alignment with Western monetary practice driven largely by Finance Minister Ōkuma Shigenobu. The Osaka Mint itself had only opened that same year, built with British machinery and supervised by British engineers contracted specifically to bring Japan's coinage up to international commercial standards.
Production dropped sharply after 1877 as gold drained from circulation into hoarding following the Satsuma Rebellion's economic disruptions. By 1892, the type was effectively retired ahead of Japan's formal adoption of the gold standard in 1897.