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| 正面描述 | 登录 以查看详情 |
|---|---|
| 正面铭文 | 登录 以查看详情 |
| 背面描述 | 登录 以查看详情 |
| 背面铭文 | 登录 以查看详情 |
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| 防伪类型 | Watermark, Electrotype |
| 防伪描述 | Large butterfly watermark which is a partial mirror image of the main obverse design; butterfly logo electrotype watermark. |
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| 备注 |
KBA-Giori produced this piece as a demonstration note — the kind of promotional item issued by security printers to showcase their own production capabilities to central bank clients and industry insiders. Lausanne has been a center of high-security intaglio printing for decades, and notes like this one circulate at trade events such as the Currency Conference rather than through any banking system.
The electrotype watermark combination here is the point of interest: KBA-Giori used their own output as a live substrate for demonstrating integrated security feature layering to procurement officials who needed to evaluate the technology firsthand.