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| 正面描述 | Laureate and draped bust of Liberty facing left, her hair elaborately arranged beneath a laurel wreath with flowing locks descending to the truncation. The engraver's monogram appears at the base of the bust. The circular legend REPUBLICA PORTUGUESA arcs around the upper periphery, with the date 1929 positioned in the lower field. The border is formed by a continuous ring of beads. |
|---|---|
| 正面文字 | 登录 以查看详情 |
| 正面铭文 | REPUBLICA PORTUGUESA REGO GR 1929 |
| 背面描述 | 登录 以查看详情 |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
São Tomé and Príncipe's first dedicated coinage series was issued under Portuguese colonial administration in 1929, replacing the practice of circulating mainland Portuguese coins on the islands. The territory had no mint of its own; these pieces were struck in Lisbon for colonial distribution across what was then a modestly productive cacao-exporting economy.
Nickel brass was the chosen alloy largely because of its durability in tropical climates, where humidity accelerates corrosion in lower-grade copper issues. Genuine uncirculated survivors are scarce — the islands' small population and active trade circulation ensured most examples saw considerable use.