Danh mục
| Đơn vị phát hành | Nigeria |
|---|---|
| Năm | 1973-1976 |
| Loại | Standard circulation coin |
| Mệnh giá | 10 Kobo (0.10 NGN) |
| Tiền tệ | Naira (1973-date) |
| Chất liệu | Copper-nickel (75% Copper, 25% Nickel) |
| Trọng lượng | 4 g |
| Đường kính | 22.86 mm |
| Độ dày | 1.3 mm |
| Hình dạng | Round |
| Kỹ thuật | Milled |
| Hướng | Medal alignment ↑↑ |
| Nghệ nhân khắc | Geoffrey Colley |
| Lưu hành đến | 2007 |
| Tài liệu tham khảo | KM#10.1, Schön#41 |
| Mô tả mặt trước | The arms of Nigeria with the country name above and the date below. |
|---|---|
| Chữ viết mặt trước | Latin |
| Chữ khắc mặt trước | FEDERAL REPUBLIC OF NIGERIA UNITY AND FAITH 1976 |
| Mô tả mặt sau | Oil palms to the right with the number `10` to the left and the word `kobo` below making the denomination. |
| Chữ viết mặt sau | Latin |
| Chữ khắc mặt sau | 10 kobo |
| Cạnh | Reeded Security Edge |
| Xưởng đúc |
Nigerian Security Printing and Minting Company Limited, Lagos, Nigeria Royal Mint, Llantrisant, United Kingdom (1968-date) |
| Số lượng đúc |
1973 - - 340 870 000 1973 - Proof - 10 000 1974 - - 1976 - - 7 000 000 |
| ID Numisquare | 7100188020 |
| Thông tin bổ sung |
Historical Context: The 1973-1976 10 Kobo coin was issued during a pivotal period in Nigerian history, following the Civil War and under military rule, initially by General Yakubu Gowon. This era marked the nation's transition to a decimal currency system, replacing the Nigerian Pound with the Naira and Kobo in 1973. This monetary reform was a significant step in asserting Nigeria's economic independence and national identity, coinciding with the burgeoning oil boom.
Artistry: While the specific engraver for this circulating issue is not widely documented, the coin's design adheres to a post-colonial modern African stylistic school, emphasizing national symbols. The obverse prominently features the Nigerian Coat of Arms, depicting an eagle, two horses, and a shield, embodying strength and unity. The reverse design showcases the denomination "10 KOBO" alongside a stylized oil palm tree, a powerful emblem of Nigeria's agricultural heritage and natural resources.
Technical/Grading: Struck in copper-nickel (75% Copper, 25% Nickel), weighing 4 grams and measuring 22.86 millimeters, this coin typically exhibits good strike quality due to its durable alloy. For grading, collectors should examine high-points for wear. On the obverse, key areas include the eagle's head, horses' manes, and shield details. On the reverse, full definition of the individual fronds and the textured trunk of the oil palm tree are critical indicators of a strong strike and minimal circulation wear.