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| 正面铭文 | البنك المركزي الموريتاني ٢٠ عشرين أوقية (Translation: Central Bank of Mauritania, 20 Twenty Ouguiya) |
| 背面描述 | The dominant central vignette presents an aerial-perspective guilloche interpretation of the Guelb er Richat (Eye of Africa), the ancient eroded geological dome rendered in concentric circular lines in dark blue and white tones against a deep red underprint. The numeral '20' appears in large format to the centre-right, with the denomination in French at lower right. To the upper left, the national emblem — star and crescent — is rendered in gold and orange within an ornate floral guilloche panel. At right, the transparent window carries the same Quran book motif as the obverse, completing the see-through registration feature. |
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Mauritania's transition to polymer began with this 2020 issue, part of a broader redesign series that moved the entire circulating range away from cotton paper. The Guardian® substrate is produced by CCL Secure — the Canadian Bank Note Company handles printing but not manufacture of the polymer base itself, a distinction that matters when assessing the note's security architecture.
The 20 Ouguiya sits at the lower end of Mauritanian denominations, which limits counterfeiting risk, but the inclusion of optically variable ink on a note of this face value reflects a deliberate policy decision — uniform security specification across the series rather than tiered protection by denomination.