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5 Yuan Seismograph, Piedfort
| Issuer | People's Republic of China |
|---|---|
| Year | 1992 |
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| Composition | Log in to see details |
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| Orientation | Medal alignment ↑↑ |
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|---|---|
| Obverse script | Chinese |
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| Reverse description | The central field depicts Zhang Heng's seismoscope (候风地动仪), the world's first known seismic detection instrument, dating to the Han Dynasty (AD 132), shown in detailed relief with its characteristic urn-like bronze vessel form surrounded by eight dragon heads and corresponding toad figures at its base. To the left, a group of three robed Han Dynasty scholars is depicted in attendance. An inscription in Chinese characters identifying the instrument and its date appears in the upper left field. The denomination 5 元 is inscribed in the lower field. |
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| Mintage | 1992 - Proof - 2,500 |
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