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| 正面描述 | Central relief depicting a tall oil derrick with a gas flare blowing to the left and a small wellhead building at its base, identified in the lower field by the legend KARG WELL. A circular legend surrounds the central design, reading clockwise from the lower left. |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | The reverse bears a multi-line central legend within a raised inner border, commemorating the application of natural gas to the mechanical arts. A circular border legend surrounds the field, and the maker's name COWLES appears in small relief at the base of the central text. |
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