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| Number | KM# 4a |
|---|---|
| Country | Cook Islands |
| Period | Free association (1972 - 2027) |
| Ruler | Elizabeth II |
| Currency | Cook Islands dollar |
| Coin type | Commemorative coins |
| Denomination | 10 cents |
| Year | 1978 |
| Subject | 250th Anniversary - Birth of James Cook |
| Edge type | Reeded |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper-Nickel |
| Weight (g) | 5.65 |
| Diameter (mm) | 23.6 |
| Thickness (mm) | 1.8 |
![]() | Crowns Royal family Legend Creators: Arnold Machin |
|---|
![]() | Plant Legend Creators: George James Berry (JB) |
|---|
| Mint | Mark | Mintage | ||
|---|---|---|---|---|
| UNC | BU | Proof | ||
| USA, Coatesville (Franklin Mint) | FM | - | 9.500 | 4.058 |
| 1978 | SET | $ ***** |
