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100 Dollars Oval Security Device
| Issuer | Central Bank of Solomon Islands |
|---|---|
| Year | 2015-2023 |
| Type | Log in to see details |
| Value | Log in to see details |
| Currency | Log in to see details |
| Composition | Log in to see details |
| Size | Log in to see details |
| Shape | Rectangular |
| Printer | Log in to see details |
| Designer(s) | Log in to see details |
| 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 lettering | Log in to see details |
| Reverse description | Log in to see details |
| Reverse lettering | SOLOMON ISLANDS 100 100 ONE HUNDRED DOLLARS 100 |
| Signature(s) | Log in to see details |
| Protection type | Log in to see details |
| Protection description | Eagle's head in profile watermark; Electrotype 'CBSI'; Reinforced cornerstones; Oval security device with colour-shifting optical effect at centre-left of obverse |
| Variants | Log in to see details |
| Comments |
The "Oval Security Device" designation distinguishes this from the earlier polymer issues in the Solomon Islands series — a mid-series security upgrade rather than a new denomination release. Thomas De La Rue's hybrid substrate combines a paper-like feel with a polymer core, a format developed partly in response to counterfeiting pressures on Pacific island currencies where enforcement infrastructure is limited.
The oval security device itself is a windowed thread variant engineered to be difficult to replicate without access to industrial foiling equipment — a meaningful deterrent in low-volume currency markets where traditional intaglio printing alone was deemed insufficient.