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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面文字 | 登录 以查看详情 |
| 正面铭文 | SUMATERA UTARA 500 RUPIAH |
| 背面描述 | Central field displays a highly detailed rendering of the beetle Calosoma inquisitor (lesser searcher beetle or caterpillar-hunter), depicted in dorsal view with its characteristic elongated elytra, segmented antennae, and six legs rendered in fine relief. The scientific name 'Calosoma inquisitor' is inscribed in italic lettering below the insect, with the date '2017' appearing beneath in the lower field. |
| 背面文字 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
| 边缘 | 登录 以查看详情 |
| 铸币厂 | 登录 以查看详情 |
| 铸造量 | 登录 以查看详情 |
| 附加信息 |
Indonesia's long-running fauna series has used coinage as a vehicle for biodiversity documentation since the 1990s, but the 2016–2017 issues represent a deliberate government push to redesign the entire circulating rupiah series for the first time in decades — the result of a 2016 Bank Indonesia regulation requiring all new-format coins to enter circulation by mid-2017. The Calosoma inquisitor, a ground beetle known for preying on forest caterpillars, is an ecologically specific choice rather than a charismatic flagship species.
Brass was selected across the new 2017 denominations partly in response to longstanding counterfeiting concerns with the older bimetallic issues.