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| Number | KM# 70 |
|---|---|
| Country | Tonga |
| Period | Kingdom of Tonga (1967 - 2018) |
| Ruler | Tāufaʻāhau Tupou IV |
| Currency | Tongan paʻanga |
| Coin type | Circulation coins |
| Denomination | 20 seniti |
| Year | 1981 - 1996 |
| Edge type | Reeded |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper-Nickel |
| Weight (g) | 11.3 |
| Diameter (mm) | 28.5 |
| Thickness (mm) | 2.6 |
![]() | FAO Royal family Description Legend |
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![]() | FAO Plant Description Legend |
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| Year | Mintage | Rarity | Value, USD | ||
|---|---|---|---|---|---|
| UNC | BU | Proof | |||
| 1996 | + | + | - | A | $ 2.7 |
| 1994 | 680.000 | + | - | ||
| 1991 | + | + | - | ||
| 1990 | 610.000 | + | - | ||
| 1981 | 610.000 | + | - | ||
