Danh mục
| Đơn vị phát hành | Nigeria |
|---|---|
| Năm | 1987-1990 |
| Loại | Standard circulation coin |
| Mệnh giá | 10 Kobo (0.10 NGN) |
| Tiền tệ | Naira (1973-date) |
| Chất liệu | Copper-nickel |
| Trọng lượng | 4 g |
| Đường kính | 22.8 mm |
| Độ dày | 1.2 mm |
| Hình dạng | Round |
| Kỹ thuật | Milled |
| Hướng | Medal alignment ↑↑ |
| Nghệ nhân khắc | Geoffrey Colley |
| Lưu hành đến | 2007 |
| Tài liệu tham khảo | KM#10.2, Schön#45 |
| Mô tả mặt trước | Coat of arms of Nigeria, date below |
|---|---|
| Chữ viết mặt trước | Latin |
| Chữ khắc mặt trước | FEDERAL REPUBLIC OF NIGERIA UNITY AND FAITH, PEACE AND PROGRESS 1988 |
| 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 | |
| Số lượng đúc |
1987 - - 1988 - - 1989 - - 1990 - - |
| ID Numisquare | 2372319880 |
| Thông tin bổ sung |
Historical Context: Issued between 1987 and 1990, the Nigerian 10 Kobo coin circulated during the military regime of General Ibrahim Babangida. This era was marked by significant economic reforms, including the Structural Adjustment Programme. The continued production of this fractional denomination underscored the persistent need for small transactional currency amidst fluctuating economic conditions and a period of political transition, reflecting everyday financial realities for the Nigerian populace.
Artistry: The 10 Kobo coin design reflects a functionalist post-colonial African stylistic school, typical of its era. While specific engraver details are not widely documented for standard circulation issues, the coin likely originated from a European mint commissioned by the Central Bank of Nigeria. The obverse prominently features the Nigerian Coat of Arms, depicting an eagle, two horses, and the national motto "Unity and Faith, Peace and Progress." The reverse displays the denomination "10 KOBO" and the year, framed by a pair of stylized cocoa pods, symbolizing Nigeria's agricultural heritage.
Technical/Grading: Struck in copper-nickel with a weight of 4 grams and a diameter of 22.8 millimeters, this coin generally exhibits a robust strike. Key high-points for assessing grade include the eagle's head and the horses' heads on the obverse's Coat of Arms. On the reverse, full detail on the stylized cocoa pods and crispness of the "KOBO" lettering are crucial indicators. Higher grade specimens should show sharp separation of the heraldic elements and complete definition within the agricultural motif, often prone to early wear in circulation.