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| Number | KM# 29a |
|---|---|
| Country | São Tomé and Príncipe |
| Period | Dobra (1977 - 2017) |
| Currency | São Tomé and Príncipe dobra |
| Coin type | Circulation coins |
| Denomination | 10 dobras |
| Year | 1990 |
| Edge type | Reeded |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper-Nickel plated Steel |
| Weight (g) | 5.8 |
| Diameter (mm) | 26 |
| Thickness (mm) | 1.5 |
![]() | Coat of arms Description Legend |
|---|
![]() | Bird FAO Legend |
|---|
| Mint | Mintage | ||
|---|---|---|---|
| UNC | BU | Proof | |
| Unknown, Unknown | + | + | - |
| 1990 | $ ***** |
