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| 表面の説明 | ログイン して詳細を見る |
|---|---|
| 表面の銘文 | NGÂN-HÀNG QUỐC-GIA VIỆT NAM NĂM TRĂM ĐỒNG 500 TỔNG KIỂM TRA GIÁM ĐỐC NGÂN-HÀNG (Translation: National Bank of Vietnam / Five Hundred Đồng / Inspector General / Director of the Bank) |
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| 裏面の銘文 | ログイン して詳細を見る |
| 署名 | ログイン して詳細を見る |
| 偽造防止技術 | Watermark |
| 偽造防止の説明 | ログイン して詳細を見る |
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The National Bank of Vietnam turned to Thomas De La Rue for this series at a point when South Vietnam's currency was under sustained pressure — not from counterfeiting alone, but from a parallel economy running on U.S. military payment certificates and black-market dollars that made the đồng increasingly marginal in daily high-value transactions.
De La Rue's London production gave the note stronger security credentials than the locally printed issues of the same period, though the single watermark remained modest protection by the standards of the day.