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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | Latin |
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | A genuine fossilised sea urchin specimen is inset at the centre of the reverse, presenting its natural surface texture with tubercles and ambulacral grooves in high relief against the silver field. The surrounding field is elaborately engraved with a detailed naturalistic composition evoking a marine environment, featuring radiating sea urchin spines and a stippled background suggestive of an underwater seabed. The series title WORLD OF EVOLUTION arcs along the upper periphery in incuse lettering, while the taxon name ECHINOIDEA and the date 2017 appear in the lower field. The inscription 1 OZ AG 0.999 denotes the coin's silver content and purity. The overall design is rendered in antique finish, enhancing the textural contrast between the fossil insert and the engraved silver ground. |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | Reeded |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 | 登录 以查看详情 |