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| 正面描述 | The obverse depicts a detailed high-relief view of the Niagara Falls suspension bridge, with its tall masonry tower prominently in the foreground and the bridge deck extending across the gorge. The legend YEAR OF ENGINEERING FEATS curves along the upper rim, with the date 1855 at the bottom, all set against a polished dark field bordered by small stars. |
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| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse features a mirror-polished field enclosed within an ornate engraved frame, with the date 1855 displayed in a decorative cartouche at the top. The central field contains a multi-line inscription recording key historical events of that year, with the Franklin Mint mark appearing at the bottom of the text area. |
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| 铸造机构 | 登录 以查看详情 |
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