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50 Sen
| Issuer | Riau |
|---|---|
| Year | 1962 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Weight | Log in to see details |
| Diameter | Log in to see details |
| Thickness | Log in to see details |
| Shape | Log in to see details |
| Technique | Milled |
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| Engraver(s) | Log in to see details |
| In circulation to | Log in to see details |
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| Obverse description | Log in to see details |
|---|---|
| Obverse script | Log in to see details |
| Obverse lettering | PRESIDEN REPUBLIK INDONESIA SUKARNO (Translation: President of the Republic of Indonesia) |
| Reverse description | Large numeral '50' above the denomination legend 'SEN' in the centre of the field, all enclosed within a decorative wreath composed of floral and foliate branches tied at the base with a ribbon bow; the left branch features stylised blossoms and leaves while the right branch consists of olive-style sprigs. The date 1962 appears in the exergue below the wreath, outside the inner circle. |
| Reverse script | Log in to see details |
| Reverse lettering | Log in to see details |
| Edge | Log in to see details |
| Mint | Log in to see details |
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| Additional information |
The Riau Archipelago coinage of 1962 existed for a single, narrow administrative reason: the Indonesian government established a separate currency zone for the islands to counter the smuggling economy that had made the Singapore dollar the de facto medium of exchange there. These aluminium pieces circulated only within that zone and were demonetized in 1964 when Jakarta abolished the arrangement and reintegrated Riau into the standard rupiah system — a lifespan of roughly two years.