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| 正面描述 | Predominantly purple on a multicoloured underprint. A central vignette of King Tupou VI in formal attire occupies the right portion of the note, accompanied by the Tongan coat of arms. Bilingual text in English and Tongan appears across the face, with a decorative medallion element integrated into the guilloche background. |
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| 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 |
| 签名 | 登录 以查看详情 |
| 防伪类型 | 登录 以查看详情 |
| 防伪描述 | Transparent polymer substrate providing inherent security properties; simulated security thread printed into the reverse design of the note. |
| 变体 | 登录 以查看详情 |
| 备注 |
Tonga shifted to polymer for its banknote series in stages, and this 2023 issue continues that transition under the National Reserve Bank, which has operated as the country's central bank since 1989. De La Rue's polymer substrate here — branded as Safeguard — is produced under license from Note Printing Australia, though De La Rue handles the full printing and finishing in London. The "simulated security thread" is a printed optical effect rather than an embedded thread, a cost-driven compromise more common in lower-denomination polymer issues.
TBB#226 is recent enough that secondary market data on survival rates and variety detection remains thin.