20 Ouguiya

发行方	Banque Centrale de Mauritanie
年份	2009-2014
类型	Standard circulation coin
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正面描述	登录以查看详情
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正面铭文	BANQUE CENTRALE DE MAURITANIE 20 OUGUIYA 2009
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边缘	Alternate reeded and plain sections.
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附加信息	Mauritania's ouguiya is one of only two world currencies not based on a decimal system — one ouguiya divides into five khoums, a structure rooted in traditional West African exchange ratios rather than colonial monetary convention. France had issued the CFA franc across the region, but Mauritania abandoned it in 1973 upon establishing the Banque Centrale de Mauritanie and introducing its own currency as a deliberate assertion of post-independence economic policy. The bimetallic format arrived with the 2009 series, replacing an earlier monometallic issue of the same denomination.

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