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| 正面描述 | The obverse depicts the Explorer 1 satellite in relief, shown in orbit above a stylized globe of the Earth with continental outlines visible. Four five-pointed stars mark the cardinal positions around the rim, with the dates 1-31-58 and 3-31-70 flanking the upper field, and the legend EXPLORER appearing along the lower rim. |
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| 正面文字 | 登录 以查看详情 |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse features a raised multi-line inscription in the central field commemorating the Caltech-JPL Numismatic Society's recognition of space exploration achievements. A circular border legend reads CALIF. INSTITUTE OF TECHNOLOGY - JET PROPULSION LABORATORY around the full circumference, with all text rendered in bold relief against a recessed field. |
| 背面文字 | Latin |
| 背面铭文 | 登录 以查看详情 |
| 铸造机构 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
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