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| Number | KM# 78 |
|---|---|
| Country | Oman |
| Period | Sultanate of Oman (1971 - 2026) |
| Ruler | Qaboos bin Said |
| Currency | Omani rial |
| Coin type | Commemorative coins |
| Denomination | 25 baisa |
| Currency rate | 0.03 OMR = 0.07 USD |
| Year | 1990 - ١٩٩٠ |
| Subject | 20th Anniversary - National Day of Oman |
| Edge type | Reeded |
| Shape | Round |
| Alignment | Medal (0°) |
| Composition | Copper-Nickel |
| Weight (g) | 3 |
| Diameter (mm) | 18 |
| Thickness (mm) | 1.6 |
![]() | Coat of arms Legend |
|---|
![]() | Anniversary Constructions Legend |
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| Mint | Mintage | ||
|---|---|---|---|
| UNC | BU | Proof | |
| United Kingdom, Llantrisant | - | - | 3.200 |
| ١٩٩٠ | (1990) | SET | $ ***** |
