20 Ouguiya

发行方	Banque Centrale de Mauritanie
年份	2017-2018
类型	登录以查看详情
面值	20 Ouguiya
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材质	登录以查看详情
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正面描述	The national seal of Mauritania is depicted at center within the nickel-plated middle ring, featuring a five-pointed star above a crescent, flanked by sprigs of acacia and millet — the traditional heraldic emblems of the republic. The bronze-plated steel core forms a central disc element. The brass-plated outer ring bears the Arabic legend naming the country along the upper arc and the denomination and Hijri year of issue along the lower arc, separated by decorative star stops.
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边缘	Plain
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附加信息	Mauritania's currency has operated outside the CFA franc zone since independence in 1973, when the ouguiya replaced the CFA franc at a rate of 5 ouguiya to 1 khoum — itself a subdivision retained from older Islamic monetary tradition. The trimetallic construction of this issue reflects a broader trend among West African central banks to deter counterfeiting through compositional complexity rather than security printing, a logical priority for a high-denomination circulating coin in a cash-dependent economy.

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